The Night Class goes to the Aido family's vacation home during the long break, but Hanabusa decides to stay at the academy to investigate Kaname.

While the Night Class is at the Aido family's vacation home, Yuki, driven by her desire to stop hurting Zero, tries to regain her memory of the past and becomes haunted by even more powerful visions.

Yuki is continually haunted by visions of blood. Nevertheless, she is determined to find out about her past from Kaname, but he repeatedly evades her question. Zero sees Yuki looking troubled and goes to the Moon Dormitory by himself.