Kujo Rina is a chemistry teacher and the homeroom teacher for the 3rd grade D class at Horai High School. She doesn't have a bond with her students. On the school's graduation day, Kujo Rina is pushed from the 4th floor and falls down. She is able to glimpse a school uniform sleeve on the person that pushed her. At that time, she wonders why she was pushed and that she does not want to die.

• Mayu Matsuoka
• Mana Ashida
• Daiken Okudaira
• Seishirou Katou
• Ami Touma
• Mizuki Kayashima
• Soma Santoki
• Hitomi Honda