Knives, Clues, and Murrder ~!

A young adopted orphan's father dies and he leaves all his wealth to his son, which is the only thing he has left. Leaving his biological family nothing which outrages them at being denied his fortune! As a result of cruel acts being perpetrated, the boy is now in deep danger. Thankfully, the detective and private investor Mewtwo has been summoned to solve the mystery of the little boy's murder and protect him from the killer, who is out to get his wealth.