Takahiro Murase

A man wakes up to find himself locked in a tiny, cramped concrete room, in which he can barely move. He doesn't remember why he is there and where he came from. He has a terrible stomach injury and is slowly bleeding to death. (imdb)

A man sees his life changed for ever when his fiancee shoots herself. Baffled, he wants by all means to obtain such a weapon of destruction and he finds himself caught in a violent group of young vicious punks. They first beat him severely and then he seeks revenge with his fist, then with a gun. (imdb)