Kotori-chan Appears!!.Mahiru's father heard from her mother that she received a gift on White Day from a boy, but Mahiru tried to hide this by saying she received the gift from a girl. With her father coming to Wagnaria to confirm whether this is true, Inami asks Sōta to cross-dress for the day to fool her father. While he initially refuses, the other employees get him to change his mind and he goes along with it, dressing as a girl and calling himself Kotori...