Shounen Psycho

Synopsis

The manga centers on Reishin Amō, a boy who, thanks to his mother's remarriage, becomes part of a family that leads one of Japan's leading business conglomerates. Unbeknownst to him, the company's underworld business is that of assassination. His stepbrother Garaku is a psychopath who enjoys particularly sadistic ways of killing. Now Reishin and his sister Sarasa are Garaku's new playthings. (Source: ANN)