Seme/uke is clingy |Puppy Like| Overprotective|Possesive

Possessive Student x Student
Our Mc fake being a girl on a game and gets a boyfriend that he was planning to scam but then turns out to be someone in he’s class. He felt bad so he was trying to escape but our Seme doesn’t want him to leave ..

Student x Bodyswap Student!? (both possesive)
Temin has a car accident and is body swap to a highschooler name Siwon. Our Mainlead knew Temin and picked up that Siwon isn’t himself anymore. After finding out Tamin is still alive our main lead doesn’t want to let him go again both pretty obsessed with each other

Overwork salaryman has a stalker
Author of Checkmate(check it out)

masochist x sadist(kindof)
Story Protagonist x Villain(real mc/pinkhead)

The Pink hair has a bus accident and all he's friends die, then magically a magical cat comes and gives him a second chance for he can revive hes friends all he has to do is play a villain in a bunch of stories and gets points. But the hero seems to be acting different.
Also black head is litterly will not let this dude go he's goes through fate to make sure they meet just read it.
I love this story/art and I als

Scary face kid can’t makes friends till he makes friends with someone he couldn’t tell was bad and was using him kindof. Scary face friend loses he’s memories so now he’s nice and good ig. There relationship dippens and you can figure the rest :) by reading
I liked it I think the ending was abit rushed though