Obscene Songs of Lost People(2001)

Ryohei, a gay gangster, dreams of becoming a full-fledged gangster, even though he is bossed around by his elder brother Yamabe. One day, Yamabe accidentally kills Morishima, a member of the gang's leadership. Thinking that he will be killed by the gang if he continues like this, Yamabe takes Ryohei with him to an abandoned house deep in the mountains to dispose of Morishima's body...