Yaoi manga with a yandere seme and cute uke

Try ' color recipe' and ' nise x koi boyfriend ' : chapter 5

OK thanks

' katekyo! ' and ' oshiete, ookami-san' is kinda yandere-ish. But it's more fluffy than twisted.

http://www.mangago.me/read-manga/yandere_hitotsu_yane_no_shita/