Bad Buddy Butt (2015)
Original title: 愛棒 －激情版－ ～ヒロとマモルの事件簿～
Bad Buddy Butt is a 2015 Japanese-language drama movie directed by Minoru Kunizawa, with a running time of 1h 1m. It stars Hiroya Nitanai, Taizô and Seiji Nagakawa.
Hiro and Mamoru are young cops who are privately gay, and Mamoru is in love with Hiro. One day, when Hiro follows a masked guy, he is raped by the guy, and his gun gets stolen. It turns out that the criminal is Kageyama, a megalomaniac fanatic whose mission is to make a gay world by raping straight men!