Juroujin

A member of the "Friday Club" and an elderly moneylender. He is the oldest and a central figure in the Friday Club. He is also the person who recommended Benten as a new member and uses mysterious techniques. It is believed that he is the same person as Li Bai, who appears in the author's work "The Night is Short, Walk on Girl," due to his private train and occupation. However, in the anime version of "The Eccentric Family," he has long hair, whereas in the manga version of "The Night is Short, Walk on Girl" and the anime version of "The Tatami Galaxy" OVA, he is bald.