Bl with a yandere seme but no SA pls

i dont think theres a seme in this, but if you wanna read about a proper yandere then this one might be good: (gore warning though!)

https://www.mangago.me/read-manga/koisuru_psycho_no_shirayuki_kun/

actually never mind, i just saw the recent reviews--- turns out there's a lot of SA (just not between the leads afaik)

murderer llewellyn's enchanting dinner invitation PEAK