Responses
ff
dunno maybe this fits but you will only see it later (like who is manipulating one)
http://www.mangago.me/read-manga/trap_ootsuki_miu/
http://www.mangago.me/read-manga/akuma_chan_wa_momoiro/
i immediately thought of "interview with a murderer", maybe it will suit what you're looking for... http://www.mangago.me/read-manga/interview_with_a_murderer/
A BL between two “psychos”? What I mean with psychos is like really manipulative jerks.