Moka’s obvious affection for Tsukune earns him the wrath of the school’s male students. As if that weren’t bad enough, a popular succubus is determined to seduce the poor boy!

Tsukune’s life is on the line! Moka makes an amazing attempt to save him, and finds an unlikely ally in her mission to prevent his execution.

Yukari is bothered by the fact that she is still a child and with the help of someone, she has been given the chance to experience life as a grown up. Of all the possibilities of her new live, getting Tsukune's love is one of the top priorities. But while all the other boys - and girls - of the high school seem to react to her new appearance, the target of all her trouble seems to be ignorant to it. Will Yukari be able to change the tide?