Reincarnated (BL)

Seo Jaewoo wakes up to find himself in the world of a BL novel. But he isn’t just any random person. He’s actually the lousy side top character who’s meant to torment the main bottom, Yoo Hyeonjin. What’s worse is that by the novel’s conclusion, all of Jaewoo’s despicable actions catch up to him, and he is killed. In order to avoid his death, Jaewoo decides to change his original role and get on Hyeonjin’s good side.
Seme: black hair / Uke: orange hair

Uke was masterbating when he get transmigrated to the body of Ella, who wanted to escape from the shackles of his life ...After transmigration he was greeted by his husband prince Shona who explained him the current situation he was in but only after he got a good banging session ...
Seme: blue hair ; Uke: long blond hair

He gets reincarnated in a game his sister liked and basically goes collecting all the male targets without meaning to.
The MC is the Uke, because we don’t know the ML

Levnoad, the Crown Prince of Strath & a 4th generation wizard ended up signing a truce with Prince Giscar of El Pasher, the enemy country.However,Levnoad gets poised & dies only to reborn as a slave,Rey in the countryside of El Pasher...Despite retaining the memories of his previous life he continues to live as a slave ..until on day Giscar became his master ..Rey doesn't behaves like a slave so Emperor, who watches him closely, becomes suspicious of Rey's identity
Seme: black hair / Uke: blonde

Uke(21) , a convenience store clerk who ended up dying after getting stabbed to death while trying to protect a female customer .. Instead of dying he ended up inside her sister's adult BL game with school setting as Rento Nuiguma , where he will be forced to become slave of the powerful delinquent,Toraomi Kio who rules the school
Seme: blond hair / Uke: the guy reincarnated

Kim Doyoon, an office worker died while saving a child from a car accident....When he opened his eyes he found himself in the body of ‘Yeo Doyoon’, who turns out to be a hoobae from his university moreover Yeo Doyoon, the bastard son of the Chairman of a big conglomerate with a troubled life ..Moreover Doyoon soon encounters a closed hoobae named ‘Han Gyeol who was very closed to his og body & feels the urge to approach him
Seme: tall guy / Uke: smol guy

This soft and fluffy yaoi manga is about a prince and a reincarnated man who becomes a slave. Shuya Suwa (31) was on his way to a drinking party when he helped an old lady to cross the street and got hit by a truck.
Seme: blue hair / Uke: black hair

SO Mc got done by truck kun & he ended up inside a popular romance novel as the loser love rival ,Lonie who tried to assault the heroine & got exiled in the og story by the male lead,Prince Alec .. So in order to avoid the bad ending he tries to stay away from them but somehow he always keeps on getting entangled with the prince ,Alec who seems to be oddly interested in him
Seme: gray hair / Uke: red hair

Includes 5 sweet and happy doting stories of ? × ? where a man who has reincarnated in another world and topped!
https://fto.to/title/156097-heibon-na-ore-dakedo-isekai-de-dekiaisaretemasu-anthology-comic
Positions are: the guy reincarnated is the uke

Mc got done by truck kun & ended up inside the dating sim game he was playing as Joffrey , the 2nd prince of the empire & also one of the love target in the og game ...Plus there is his older half brother ,prince Edward
Seme: blonde / Uke: cover