The heroine wakes up on the morning of August 1 and discovers she has absolutely no memories of the past. A boy appears before her, and he introduces himself as a "spirit" named Orion. The heroine struggles to regain her memories under the guidance of Orion. She then gets a phone call, but she does not recognize the name on her mobile phone screen. She meets her apparent "boyfriend," despite not knowing his face.

• Kaori Nazuka
• Kisho Taniyama
• Kouki Miyata
• Akira Ishida
• Satoshi Hino
• Tetsuya Kakihara
• Kana Akutsu
• Satomi Moriya