ayato and chiori was a husband and wife. they have a child named yuna. one day yuna was breaking Chiori's flower fas and Ayato teasing Yuna. "Oh.. Mama gonna be mad.. and you're not gonna be her favorite anymore~ and I will be her favorite~." Ayato was laughing but Yuna was crying then he picked her up and calmed Yuna "Whoa! I'm just kidding.. Child never understand my jokes.."