柳浦 直孝

Son of the protagonist, husband of the heroine.

Parents divorced during childhood. From mother's side took the family name "Yagiura".

During university graduation, he tried to marry the heroine but faced severe opposition from his mother.

In the past, Naotaka was uncoditionally obedient to his mother but awakens his self esteem, resists his mother and leaves the house.

However, since there is nothing to rely on, ended up living with the protagonist.