A young writer of historical fiction; whom Oono Fumi becomes a housekeeper for. In the beginning, he comes off having rude attitude toward Fumi when they first meet. However, later on when he finds out Fumi reasoning for becoming a housekeeper, he seems to have a change of view. To make her more comfortable with her stay, he gives up his bedroom for her rather then stay in a small space in the apartment.
He comes off as rude and fouled mouthed however, Fumi notices he is very passionate and dedicated to his writing. Even seems to have lack of sleep and not eating much while working.