Yandere

I don't think there's any Yaoi with a yandere uke, it's mostly a yandere seme.

http://www.mangago.zone/read-manga/jibun_katte/
http://www.mangago.zone/read-manga/sweet_heart_trigger/

yes there are uke. kind of rare tho. as for jibun katte, the uke there is just aggressive but not to the point of being yandere.
http://www.mangago.zone/home/mangalist/69274/?filter=&page=6