12 MM Grumpy x Sunshine Books I Loved

Hello! Quick note before the list, because it explains the slightly odd English: I’m a French reader and this blog runs in French. Today I want to talk about one of my favourite tropes, grumpy x sunshine.

Although if I’m honest, the part I actually love is the opposites attract underneath it (in French we say les opposés s’attirent). Two people so different that the story starts off badly, because neither of them can picture being compatible with the other. And then…

So here are my twelve favourites. Contemporary, cosy fantasy, paranormal, danmei, science fiction and two very dark ones at the end, all with the same starting point.

Pick your grumpy x sunshine MM book by mood

🥂

Funny, British, fake dating

Boyfriend Material

🫧

Feel-good, roommates, nothing hurts

Leo Loves Aries

😂

You want to laugh out loud

How to Vex a Vampire

🏝️

Cosy fantasy, kind to you throughout

The House in the Cerulean Sea

🔍

A real murder investigation underneath

Madison Square Murders

🐾

Found family and a long series ahead

Hell & High Water

👾

Ridiculous sci-fi romcom, tentacles included

It’s Not Unusual to Be Loved by an Alien

🪐

Arranged marriage in space, quietly devastating

Winter’s Orbit

🐉

Epic danmei, the version everyone talks about

Grandmaster of Demonic Cultivation

🏮

The grumpy one is the devoted one

Heaven Official’s Blessing

🖤

Cruel fae world, slow burn, no comfort

Mortal Skin

🩸

The grumpy one is an actual monster

Soul Eater

Easy ways into grumpy x sunshine MM romance

Four books where the trope is doing what it does best and nothing else is competing for your attention. Contemporary or close to it, funny, and none of them will leave you stranded halfway through a story.

Boyfriend Material

London Calling #1 · Alexis Hall

Boyfriend Material cover, Alexis Hall
Contemporary Fake Dating Grumpy x Sunshine Humour 🌶️ Low heat

Luc is the son of two rockstars, permanently one tabloid photo away from losing his job. What he needs is a respectable boyfriend, fast. Oliver is a vegetarian barrister who has never done anything embarrassing in his life, and who agrees to the arrangement for reasons of his own. They fake it. It stops being fake somewhere around the middle, and neither of them notices at the same time.

What I like Oliver is the grumpy one but he is never unpleasant, which is harder to write than it looks. He is stiff and disapproving and quietly falling apart, and Luc gets under his skin in about four sentences. The dialogue is the reason to read this one. I reread it when I want something that will make me laugh without asking anything of me.

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Leo Loves Aries

Signs of Love #1 · Anyta Sunday

Leo Loves Aries cover, Anyta Sunday
Contemporary Roommates Slow Burn Feel-Good 🌶️🌶️🌶️ High heat

Theo is a Leo: guarded, convinced he already knows exactly what he wants and who he wants it with. Jamie is an Aries: loud, spontaneous, in the flat before anyone thought to ask Theo’s opinion. There is a wedding to survive, an ex hanging around, and a horoscope Theo has decided to take far too seriously.

What I like Nothing dramatic happens and that is the point. Anyta Sunday writes people slowly turning towards each other, with no manufactured misunderstanding to pad out the middle. Theo cracks so gradually that you notice it about ten pages after he does. Perfect comfort read.

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How to Vex a Vampire

VRC: Vampire Related Crimes #1 · Alice Winters

How to Vex a Vampire cover, Alice Winters
Paranormal Vampires Partners Comedy 🌶️🌶️🌶️ High heat

Finn is the first human ever hired by the Vampire Related Crimes unit, and he is thrilled about it. His assigned vampire partner is not, and spends the first half of the book trying to make the job unbearable enough that Finn quits. Finn turns up the next morning anyway, with a story about his underwear nobody asked for.

What I like This is the funniest book on the list by a wide margin. The humour is constant but it never tips into being exhausting, and watching a centuries-old vampire lose an argument with an over-enthusiastic human is exactly the version of this trope I keep coming back for. The murder plot is thin. I did not care.
Also sold under its original title, VRC: Vampire Related Crimes. Same book, the author renamed it.

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The House in the Cerulean Sea

Cerulean Chronicles #1 · TJ Klune

The House in the Cerulean Sea cover, TJ Klune
Fantasy Cosy Found Family Slow Burn 🌶️ Low heat

Linus Baker is a caseworker for the Department in Charge of Magical Youth. He follows the rulebook to the letter, lives alone with a bad-tempered cat, and has never once made a decision that surprised anyone. He is sent to assess an orphanage on a remote island, where six unusual children live under the care of Arthur Parnassus, who is warm and open in a way that Linus has no idea how to respond to.

What I like Linus is grumpy in the saddest possible way. He is not cold, he is small and shut down and has been for decades, so watching Arthur and the children pull him open is the whole book. There is no conflict manufactured to keep them apart either. It is a gentle book that stays gentle, and I was in tears at the end of it.
Standalone, though there is now a sequel. Soft on the page, which makes it the one I recommend to people who don’t usually read romance.

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Grumpy x sunshine MM books with a case to solve

The forced work partnership is the natural home of this trope, because neither of them can walk away from the other. Both of these have a real investigation running underneath, so the romance has somewhere to hide while it builds.

Madison Square Murders

Memento Mori #1 · C.S. Poe

Madison Square Murders cover, C.S. Poe
Contemporary Mystery Police Procedural New York 🌶️ Low heat

Everett Larkin works cold cases for the NYPD. He has a perfect memory, no patience, and no interest whatsoever in a partner. A storm brings down a tree in Madison Square Park and turns up human remains with a Victorian death mask. Detective Ira Doyle is assigned to help, is relentlessly easy-going about it, and does not leave.

What I like Larkin’s coldness has an actual cause, which the book takes seriously instead of using as flavour. And the case is properly constructed, so the romance can stay in the margins and build there. Doyle refusing to be rattled by any of it is very satisfying to read.

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Hell & High Water

THIRDS #1 · Charlie Cochet

Hell and High Water cover, Charlie Cochet
Paranormal Shifters Law Enforcement Found Family 🌶️🌶️🌶️ High heat

Dex Daley put his last partner in prison and gets reassigned to the THIRDS, a unit where humans and shifters work in pairs. His new partner, Sloane Brodie, wants nothing to do with him and says so. Dex decides this is a problem worth solving, and goes about it with more strategy than anyone expects from him.

What I like Dex is a sunshine who is also paying attention. He can see exactly where Sloane’s walls are and he works around them on purpose, which makes him far more interesting than the usual cheerful battering ram. The squad around them is written well enough that I stayed for them too.
First of a long series, and it does get better as it goes. Worth knowing before you start.

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Grumpy x sunshine in sci-fi, fantasy and danmei

An alien in Las Vegas, a diplomatic marriage in space, and two Chinese fantasy epics. Very different books, but all four move the grumpy character outside ordinary human range, which changes what the gap between the two of them actually means.

It’s Not Unusual to Be Loved by an Alien

Tentacular Tales #1 · Chloe Archer

It's Not Unusual to Be Loved by an Alien cover, Chloe Archer
Science Fiction Alien Tentacles Romcom 🌶️🌶️🌶️ High heat

River has believed in aliens his whole life and is delighted to be proved right. Kai is an alien living quietly in Las Vegas who would very much like to be left alone. River works out what he is, Kai’s tentacles accidentally trigger a Mating Ritual, and neither of them handles the situation with any dignity.

What I like It is completely silly and it knows it. What keeps it from being throwaway is that River knows exactly what he wants from the start, so he is not a naive sunshine being led anywhere. Kai is the one out of his depth the whole way through. Read it when you want something light that is still filthy.

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Winter’s Orbit

The Resolution Universe #1 · Everina Maxwell

Winter's Orbit cover, Everina Maxwell
Science Fiction Arranged Marriage Space Opera Slow Burn 🌶️ Low heat

A treaty is about to lapse, so Prince Kiem, the empire’s least serious royal, is told to marry Count Jainan, whose previous husband died a month ago. Kiem talks to everyone and charms most of them. Jainan answers in as few words as possible and flinches at things Kiem cannot account for. They are also, it turns out, the two people standing closest to a murder investigation.

What I like The misunderstanding between them is the good kind: two people being careful for opposite reasons, each reading the other’s caution as rejection. Kiem’s cheerfulness is a coping mechanism and Jainan’s silence is not coldness, and working out what is actually going on with Jainan reframes the whole first half. It is also a competent murder plot on top.
Standalone. Ocean’s Echo is set in the same universe but follows a different couple.

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Grandmaster of Demonic Cultivation: Mo Dao Zu Shi, Vol. 1

Mo Xiang Tong Xiu · Danmei, translated from Chinese

Grandmaster of Demonic Cultivation volume 1 cover, Mo Xiang Tong Xiu
Danmei Fantasy Reincarnation Slow Burn 🌶️ Low heat

Wei Wuxian died hated by the entire cultivation world for the things he did with demonic energy. Thirteen years later he wakes up in someone else’s body, in the middle of someone else’s mess. Lan Wangji, the most rigid and correct man alive, recognises him almost immediately and says nothing about it to anyone.

What I like Lan Wangji has one facial expression and roughly four lines of dialogue per volume, and you still know exactly what he feels at every moment. Wei Wuxian is chaos walking, and the gap between them stretches across two lifetimes before anything is said out loud. Very little happens on the page romantically and it still wrecked me.
Five volumes in the Seven Seas English edition. Volume 1 sets everything up and resolves nothing.

Heaven Official’s Blessing: Tian Guan Ci Fu, Vol. 1

Mo Xiang Tong Xiu · Danmei, translated from Chinese

Heaven Official's Blessing volume 1 cover, Mo Xiang Tong Xiu
Danmei Fantasy Gods and Ghosts Slow Burn 🌶️ Low heat

Xie Lian has ascended to godhood three times and been thrown back down twice. He returns to a heaven that finds him embarrassing, with no followers and a shrine nobody visits, and goes back to work collecting scrap and hunting minor ghosts. Hua Cheng is the most feared ghost king in the underworld. He has been keeping an eye on Xie Lian for eight hundred years.

What I like This one inverts the trope and I love it for that. The frightening, powerful, unapproachable one is the devoted one, and the sunshine has been through more than anyone in the book and stayed kind anyway. Xie Lian’s cheerfulness is not innocence, it is a choice he keeps making. That distinction is what makes him.
Eight volumes in English. Longer and gentler than Grandmaster of Demonic Cultivation.

Dark grumpy x sunshine MM romance

Both by Lily Mayne, and both much harsher than everything above. The grumpy one here is dangerous in a way the book never takes back, and the sunshine one survives on stubbornness rather than optimism. Check the content warnings first.

Mortal Skin

Folk #1 · Lily Mayne

Mortal Skin cover, Lily Mayne
Fantasy Fae Royalty Slow Burn 🌶️🌶️🌶️ High heat

He has watched the Folk at the edge of the forest since he was a child. At twenty-one they come back for him, and the Unseelie Queen wants him on her lands. The one sent to collect him is her son, a black-eyed prince everyone in the village tells him to stay away from. He does not stay away from him.

What I like The distance between these two is real rather than a matter of temperament, which is why the dynamic hits harder here than in the lighter books on this list. The prince is not a grouchy man with a soft centre, he belongs to a world with different rules and no obligation to be kind. The fae setting is cold and genuinely nasty.
Trilogy, and it earns the length. Check content warnings before you start.

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Soul Eater

Monstrous #1 · Lily Mayne

Soul Eater cover, Lily Mayne
Paranormal Monster Romance Post-Apocalyptic Age Gap 🌶️🌶️🌶️ High heat

Monsters rule what is left of America. Wyn the Soul Eater crosses the Wastes every three years to kill, and a military unit tries to stop him. One soldier survives, and Wyn does not know why he let that happen. He takes him along instead, without any plan for what comes next.

What I like The darkest thing here, and the furthest the trope can be pushed while still being recognisable. Wyn is never softened or explained away, and the book does not pretend he is safe. What makes it work is that the sunshine is not brave, he is just stubborn, and he adapts faster than Wyn can process.
First of the Monstrous series. Check content warnings before you start.

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Twelve books with almost nothing in common except the shape of the thing at the centre. If you want somewhere obvious to start, Boyfriend Material for the funny version, The House in the Cerulean Sea for the kindest one, Grandmaster of Demonic Cultivation for the enormous one, Soul Eater if you want it to hurt.

Know a grumpy x sunshine MM book I have missed? Leave a comment, I update this list as I read. The rest of the blog is in French, so this English corner is still small, but it keeps growing and I am glad you are here.

Grumpy x sunshine: frequently asked questions

What is the grumpy x sunshine trope?

Two characters at opposite ends of the temperament scale. The grumpy one is closed off, blunt and convinced he prefers being alone. The sunshine one is warm, open and moves into his life without waiting for permission. The trope is a variation on opposites attract, and the appeal is watching someone who had decided not to need anyone find out he was wrong.

Is grumpy x sunshine the same thing as slow burn?

No, but they turn up together constantly. Grumpy x sunshine describes the pairing. Slow burn describes the pacing, meaning the tension builds for a long time before anything is resolved. They pair naturally because a character with walls takes a while to lower them. Leo Loves Aries, Winter’s Orbit, Mortal Skin and both danmei on this list are slow burn. How to Vex a Vampire is not.

Where should I start if the trope is new to me?

Boyfriend Material is the easiest entry point: contemporary, funny, low heat, no series commitment. The House in the Cerulean Sea if you want the gentlest possible version, soft on the page. How to Vex a Vampire if you want paranormal and comedy instead. Save Soul Eater and Mortal Skin for when you know you like the trope, because they are much darker than the rest.

Which of these are standalones?

Boyfriend Material, Leo Loves Aries, The House in the Cerulean Sea, Winter’s Orbit and It’s Not Unusual to Be Loved by an Alien each finish their couple’s story on their own. How to Vex a Vampire, Madison Square Murders, Hell & High Water and Soul Eater open series but resolve the romance. The two danmei and Mortal Skin genuinely need the full series, so do not start those expecting a conclusion.

Why does the grumpy one so often turn out to be the softer one?

Because the grumpiness is usually protecting something. In most of these books it comes from a specific event rather than being a personality setting, so the walls coming down means something concrete rather than a mood improving. It also makes the sunshine character the one doing the real work, which is why the good ones give him a spine instead of just an unlimited supply of cheerfulness.

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Where to start with MM romance, a beginner guide

New to the genre? Start with the map.

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