Scrap Heaven

Scrap Heaven Sukurappu Hebun ? is a 2005 film, directed by Sangil Lee. The movie was theatrically released to Japan in the year 2005. It was later released to the stores of North America in the year 2007.

Several months later, Shingo meets Tetsu again. After being humiliated in the police force, and saving Tetsu from the yakuza, the two decides to get revenge on society by starting a revengeforhire operation. By scribbling on bathroom walls to advertise their business, Shingo and Tetsu offer their services to anyone with a problem. Meanwhile, the pharmacist Saki, also affected by the hijacking becomes disillusioned and antisocial. She begins to plot her own ways of getting revenge on society by constructing a liquid bomb.

Source: Wikipedia