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, nakedness plus 90%).

Random adventures of Hello Kitty and other Sanrio's characters.

Bai Junyan, a neighbor's white lotus with the fragrance of tea; Luo Ben, a flower of wealth in the world with eyes higher than the top. The two drama queens were assigned to the same dormitory and joined the same drama club. In front of them, there appeared the sophomore drama club senior and iceberg male god Gao Shu, and his mysterious roommate Ouyang who is highly socially afraid... At this point, the actors on the stage have gathered. Will they take off their masks and be honest? treat each other; or will they each show their special powers and create a campus drama of intrigue? (Source: Bilibili, Google translated)

This is the anime adaptation of Kantoku Fuyuki Todoki (Insufficient Direction), the first essay manga by the queen of the manga world, Moyoco Anno. The comedic and heartwarming autobiographical story follows her everyday married otaku lifestyle with Hideaki Anno, the founder of the otaku cult. (Source: ANN)