During their field trip in Hokkaido, Ito visits her mother and Yu, her younger brother, with Naru, Rinne, and An. Ito learns that the reason for her parents' divorce was the death of a family friend through a car accident caused by Ito's father. Ito becomes convinced that her mother no longer loves her father, until Yu affirms her otherwise. DJ Coo brings the Prism Stone trailer to Happy RAIN, and they perform "Doshaburi Happy!" for Ito's family.