Male lead falls hard and chases first

Both male leads chase first and act jealous around each other right from the start. The FL starts out with a strong crush on one of them but doesn't act on it and eventually shifts. 

He falls first (childhood love) and chases her first, lots of sweet skinship in this one

He falls first, chases first, above average skinship

ML definitely falls first and chases first, very cute friends to lovers dynamic

He falls first and chases her like crazy

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This is one of those "falling for you has ruined my life" kind of comedy stories. He falls first and chases first even though it drives him crazy, haha. Very cute drama

Clingy/jealous ML, he chases her hard and in some very silly ways. Above-average skinship

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Noona romance, above-average skinship

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He is super clingy and possessive, falls first

He falls quite quickly and turns into an idiot while chasing her XD above average skinship too

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Pretty much love at first sight for the ML, he is clingy and chases first. Above average skinship

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She *technically* chases first but for plot reasons, not for love. He falls in love first and chases her, plus he has a smile that could make a thousand flowers bloom :)

ML does fall first, he's an antihero at the beginning but once he comes around he is totally smitten and possessive

Second chance love - ML chases first on the second go-around and is jealous/possessive. The second lead is also quite clingy and chases hard. 

Possessive and jealous ML

He chases her first (childhood love), at first he's obsessive in a negative way (he does some things that border on stalking) and eventually he pursues her in a romantic way. 

Great physical chemistry between the leads

Pretty much all her love interests chase her first, the main ML is quite jealous too

The kind of love story where chasing her ruins his life and he chases her anyway LMAO

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He chases hard, above average skinship

Lots of kisses, above-average skinship

ML sort of falls for her in high school and begins pursuing her when they meet again as adults

Both male leads fall first, one of them chases almost from the beginning

He falls first and chases her to stalker levels, super possessive and clingy

A classic - ML is very possessive and jealous, falls first and chases her like crazy

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He pursues her first for platonic reasons and later on because he falls for her, in both cases he's chasing her more than the other way around

Antihero ML, falls first

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Noona romance 

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He chases her the entire time, ML is possessive (to controlling levels), above average skinship also

The AI male lead falls first and chases first, sort of... he's an AI so take that however you want

I would call this rivals to friends to lovers - he falls first and is the jealous type but he's generally pretty mature and respectful about the way he pursues her

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ultra possessive ML, tons of skinship (tw for assault)

For both ML the FL is their first love. One pursues her while they're teens while the other is more reserved about it. 

The ML is awesome in this one! He falls first and chases first, gets jealous easily

ML starts off in love with someone else but when he does fall for the FL, he falls first and is very jealous. He chases Mr. Queen both figuratively and at times literally (hilarity ensues)

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ML is obsessed from the beginning, first with bullying her then with pursuing her. (Same goes for all other versions: Boys Over Flowers, Meteor Garden, etc)

Be warned that in some versions (especially Meteor Garden) the ML goes so far as to physically assault her early on.

This is a true enemies to lovers so it takes him a little while but he does chase her first once he realizes he's in love. ML is the jealous type too

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Super possessive ML, he chases her to maybe a concerning extent, haha

He chases her hard, even before he realizes she's a woman LOL

He does chase her first though it takes him a little while to come around, he ends up very possessive and jealous (as you might imagine from the title) eventually. Above-average skinship

He does fall first though he is the tsundere type so you may not notice at first.

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Both male leads fall first and chase first, in the past and present timeline - meanwhile she is too busy crushing on idols to notice XD

Falls first and chases hard

ML chases FL first and is possessive & jealous, bit of an antihero so it's hard to say whether he really falls first

Love triangle, both MLs chase first

He's into her from the beginning (she's his childhood first love) but acts cold at first. Once he does decide to pursue her he turns into the cutest awkward little gopher LOL

He is possessive and very (childishly) jealous right from the beginning though

The ML falls first but takes his time actually chasing because they're childhood friends and she's in love with his friend. He's definitely jealous and clingy though.

Above-average skinship

They are each other's first love, but upon meeting as adults he's the one who does all the chasing. The ML is jealous, possessive, and clingy. Lots of kisses too

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ML falls first and chases first, he's adorable and makes an idiot of himself while chasing her

Also: above-average skinship

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Very clingy ML

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FL pursues the second male lead for some time before he returns her feelings. The primary male lead falls first and pursues her for a while in some... *odd* ways...

He's possessive, constantly seeking her out and touching her

Second chance romance, above average skinship

He is so sweet and so clingy LOL

He at first pursues her because she's the only one who doesn't trigger his OCD, later on because he loves her

He falls first (childhood love), is quite possessive too

Falling in love with her genuinely ruins his career and yet he still does it lol. I think it's implied that they fall at the same time but she doesn't realize it until after he's already started pursuing her

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ML falls first, chases her and is clingy & possessive

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big time, ML is the classic CEO who falls first and makes an idiot of himself while chasing her

Both ML and SML fall first and are the jealous, competitive type. Above-average steam

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Both male leads chase her, one of them definitely falls first

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Friends to lovers, ML is the jealous type and chases hard

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Above-average skinship

Very clingy/possessive ML

Clingy/possessive ML