so he have a Yandere monster girl "harem" but because all of them are "Yandere" they have to kill the other girl
kinda like Battle Royale where you get the boy for winning lmao
but at the same time it's pretty sad
The mangaka can honestly do a little bit better in making sense. I've read some chapters ahead as well, and there's always a level of confusion with all of the chapters.