ʀᴏᴇ'ꜱ ʙʟ ꜰᴀᴠᴏʀɪᴛᴇꜱ

Eunsung & Soohyun
One-sided Rivalry to toxic "I'm-the-only-one-allowed-to-crush-him" obsession to mutual love ⚔

Seong-rok & Je-oh
Seong-rok who was helping his first love commit murder to escape to a better life, and Je-oh a prostitute who ends up being his hostage turned accomplice.

Sunwoon & Gajun

Stuck in a time loop Gajun tries to survive/escape from a cult influenced monster infested retreat.The key to break the time loop seems to prevent Sunwoon from dying. Sunwoon though can't stop throwing himself into danger to protect his fellow schoolmates as the only true awakened one.
(Everybody has some kind of weird superpower, but none besides Sunwoon have awakened powers.)

Oh Jaekoo & Yoon Cheongrok

Actor who can't be himself meets a guy who doesn't know him.
Spoiler: it was a chance meeting but he did know him, he is his number 1 fan

Doha & Bada
Stuck in a horror game loop Bada tries to escape by collecting every ending, then there is Doha a NPC who gains selfawareness

Heavy Spoilers: Bada was the NPC, everyone else was a Player who lost their tapes.

Hanlim & Yesol

Ex-highschool baseball teammates who spent 6 Months together before some incident made them go separate ways. Years later both gave up baseball and are now working adults. They meet again and some stalker is on the loose so they team up.

(The MC is no goody two shoes and I love it. Ml is now openly and confidently wooing Yesol. Status: Chapter 20+)

Do Han-ah & Kyung Woo-hyun

Rising actor Woo-hyun who's first love is the son of a famous painter, that also loves to paint. They meet again at a party and have a (drunken) one night stand. "I'm the top tho" Han-ah said and Woo-hyun let's him. Later Han-ah misunderstands and thinks Woo-hyun is a fan of his mother instead of himself. But they do end up living together after Han-ah finds out Woo-hyuns house has been ransacked.

Xinlu & Yuri

Sequel/Spin-off to Passion, follows Xinlu's story, he was pining over the MC of Passion (Passion's MC did like him first but then came the Male Lead). Meanwhile Yuri always saw a form of beauty in Xinlu and can't help but think he's lovely so he can't help but take care of him.

Lima & Sak

Apocalyptic world, Sak is sent away from his school for Cores to find his Caller Lima. There is a deadly virus turning people into zombies & Sak turns out to be the cure.

Tae-seo & Yeonmin

A series of coincidental humours meetings turns into chemistry in bed and living together. There's debt involved and our MC, Yeonmin, who keeps running away from loan sharks everyday.