Monthly Girls' Nozaki-Kun, Vol. 16 - Izumi Tsubaki

Seo witnessed something impossible: Wakamatsu promising to go on a date with a classmate. Sakura witnessed something unacceptable: Nozaki reminiscing about a date with an underclassman. It's gonna take some serious sleuthing to get to the bottom of this situation... But if Seo and Sakura were half as good at untangling misunderstandings as they are at starting them, it'd be a snap!