When Masataka and Jun return home from shopping, they witness a thug-like man banging violently on the front door of their neighbor Tanaka's house. Suspicious, the two ask Tanaka about the situation, and he tells them that he has joined a cult called "Ogre's Cause" and that even though he wants to quit, he can't leave, which is causing him trouble. Worried, Masataka and Jun offer Tanaka advice, but before they know it, he starts to lose consciousness. He has been put to sleep by the sleeping pills Tanaka had prepared. Soon, an eerie presence drifts through the silent room, and the cult's leader, the Great Ogre, appears...