Tsuruko no Ongaeshi
Alternative title: Tsuruko Returns the Favor, 鶴子の恩返し,
Story Overview
Nekokado is a very no nonsense secondary teacher who has lived alone since the passing of his sister. Yet, at some point, he finds a photograph of her in a house cleaner ensemble. He goes to an idea bistro to explore his sister's confidential, yet there he meets a young lady named Tsuruko… ?!