Wataru Kuriyama
Ryuga Dogai returns to investigate a new mystery – the theft of Makai Knights armour. Among the victims are Ryuga’s old comrades from the Volcity crisis, Takeru and Aguri. The three will face off against an enemy previously though defeated – Zinga.
Aoi Nishimori’s parents moved to another city for work, but Aoi didn’t want to transfer to a new high school. She stays behind and lives in an apartment by herself. Shusei Kugayama moves in next to Aoi’s apartment. Shusei is a very popular student at their high school. Due to a mistake, Aoi makes the sprinkler go off in his room. Until Shusei’s room is fixed, he stays with Aoi.