The Light in a Genius's Eye Is All [X].Rizu invites Fumino, Uruka and Sawako to a sleepover study group where, without Nariyuki the girls end up asking Sawako for help, exhausting her, making her realise how hard Nariyuki works and how much of a pushover he is. Nariyuki takes his mother and youngest siblings to a festival where he sees Fumino and Uruka. Nariyuki's mother tells him to attend the festival with his friends, so Fumino goes off on her own, leaving Nariyuki with Uruka. They come across a food stall manned by Rizu and her father. Nariyuki helps Rizu deliver the food while Uruka helps her father cook...