Equipped with his passion for diving and admiration for marine biology, university student Tsuneo Suzukawa tries his best to juggle several ...

Compilation film with new content.

In order to find the missing friend Xiao Yuan, the protagonist, Jiang Yao, sneaked into an abandoned villa to investigate, but was caught by...

The OVA will be focus on when Kujaku Nijou first entering group, which occurs one year before the main anime begins.