Юка

Кота's cousin, who has been in love with him since childhood and dreams of marrying him. She has lived with her mother since childhood. She attends the same college and lives in the same house as Kota. She helps him adopt the girls he meets, although she is jealous of them. She behaves as the independent and self-reliant mistress of the house. In the final volume of the manga, Yuka marries Kota. They have a daughter named Ню, who strongly resembles her mother.