I don't know what Rio wants... This is the first Christmas since we started dating. While Onta consults with others about what gift to give to Rio, Rio on the other hand, goes to Kaito's house again. What she really wants is not a Christmas present from Onta, but from Kaito... While the two are having sex without a rubber, Rio is dressed in a revealing outfit when she suddenly receives a phone call from Onta, which she answers unexpectedly...!