Hiro Hamada meets a girl named Tora with a strange past and hidden secrets. She's after some guy in a kabuki mask who also stole Hiro's microbots and started the fire causing Tadashi's death. Hiro and his friends teams up with Tora to capture the mask man. But what are these strange creatures that keep popping around?

An alternate universe where Ranma Saotome is not a boy cursed to change into a girl, but the other way around. She's an overly cocky martial artist who is fed up with her crazy life in Nerima. But that annoyance is soon turned on it's head when Ranma is suddenly transported back in time to feudal era Japan, where demons and monsters roam the countryside. Can she find her way back?