The biggest headache of Rin's school life is his daily meals. On Yukio's advice, Rin starts cooking in the dorm kitchen, preparing lunch the night before. But in the morning, all the food has vanished!

Crushed by her failure to save her best friend, Izumo lashes out at Suguro! Their bickering escalates until the whole class is involved, and they're all sent to detention. Suddenly, the students are attacked by the ghoul Rin fought the day before!