Koa dislikes children. One day, he's put in a situation where he has to take care of his niece Lani. Not knowing what to do, he asks his best friend Daiki for help. Together, the two friends co-parent the little girl. Lani grows fond of Daiki because of his gentle manners but dislikes Koa due to his standoffish attitude toward her. Will the uncle and niece ever get along? Daiki is there to help.
