"Komaro and Her Suggestion Box" "Terui-senpai's Secret" "Koki and the Music Club" "Rendezvous in the Storage Room"
When Ume gets home, he finds a suspicious figure - who turns out to be none other than his sister, Sho Mizunoe! Sho, Arisu, and Komaro engage in a who-knows-Ume-more one-upping battle. What's going on here!?
