possessive & yandere characters

The uke is actually the one that acts very possessive

short story set in an apocalypse setting, where the mc becomes very jealous of his crushes girlfriend and kills her

The ml ends up kidnapping the mc at one point

ML gets very possessive and jealous when he believes FL's friend got her pregnant instead of him and burnt down their place of work and even coerces FL into marrying him again

Seme confines the Uke once he hears about him wanting to leave at one point in the story