Jigokudou Reikai Tsuushin

Tetsushi, a fifth-grade delinquent who rules the students of Jouin Elementary, and his companions are known around town as the “three evil prankster kings.” His right-hand man is Ryuuchin, while Tsuda is an occasional ally. At a creepy pharmacy outside town, the boys meet an old man who gives them a strange, otherworldly power. Soon, the three pranksters find themselves battling a variety of ghosts and demons.