Responses
Pretty sure it's this (and even if it's not I highly recommend it!)
http://www.mangago.me/read-manga/papa_s_assasin_ryuunosuke_wa_tonde_yuku/
Thank you!!
Im trying to find this manga where there was a boy and he was having a threesome with a guy and a girl it was in the yaoi section i think im not sure but there was a father or something involved too... cant remember please help me out