Summer is on its way, so of course Tohru and friends are excited about the upcoming vacation and field trip. But what's that sound? It's Hatsuhara going berserk in the classroom ... again! Black Haru is full of more rage than ususal, so what will happen when Yuki intervenes? And then there's Ritsu Sohma, whose mom Tohru met at the hot spring ... but what's wrong with this kimono-wearing beauty?!