Unaired episode included in the fourth Blu-ray volume. The episode will take place during the same time in episode 16 (episode 5 in second c...

An OVA bundled with the non-adult version of the OreTsuba PC game. The OVA has more fan service than the TV series (what they call, "nakedne...

Kappei is a dramatically short guy but he is a master in every sport. He lives as a guest in sweet Akane's house, and he's in love with her,...

A bonus episode about Aika and company moving to a new office.