Anime shorts created in collaboration with IBM. Episode 1: Cooking-hen Episode 2: Navigation-hen Episode 3: Fashion-hen Episode.4: Kaigi-hen (Source: Anime News Network)

Extra episode included in Blu-ray and DVD volume 10, entitled “Omake dayo (It’s an extra!)”.

In the story, Buntarou is a student who wants to be something, but doesn’t know what. One day his female classmate Sayuki announces she is working on a bishoujo game. Sayuki scouted him because he wrote a good script for drama club, but Buntarou doesn’t know anything about bishoujo games. (Source: Anime News Network)

Hinowa Tomari is a normal high schooler, until one day he’s told that he has to become the wife of a mysterious creature called Kanenogi. This is the start of their newly married life.