The new girl at school shares quite a history with Moka - they’re sisters! Back in the day, Moka was able to defeat her younger sibling every time they sparred. Now it looks like Kokoa is out for vengeance!

Tsukune's decision to use a portion of his time on the field trip to pay his mother Kasumi a visit at home that is meant to be a quiet heartfelt family event, begins its metamorphsis into a circus when Moka follows Tsukune home, much to Kasumi's shock. But before long, the madness that usually fills Youkai Academy finds it way to Tsukune's home.