Yuki is busy patrolling the school grounds for Day Class girls who are trying to sneak chocolates to the Night Class boys for St. Xocolatl’s Day.

There's a commotion in the Moon dormitory when the Night Class gets word that Takuma’s grandfather, a figure in the vampire world, will be visiting.

Zero tutors Yuki for an exam, but all the while something is wrong with him. Meanwhile, at the Moon dormitory, Kaname confronts Maria in his room.

Senri returns to the Academy, but upon having a confidential talk with Ichiru, he becomes noticeably different from before.

In order to protect the academy, the Headmaster confronts the head of the Hunter Society while Rido is still on the rampage.