One day, Hiura Mizuki (Nakatani Miki), the former female manager of the American football club in university days, suddenly shows up in front of ace quarterback Nishiwaki Tetsuro (Kiritani Kenta) and Sugai Makoto (Wada Masato) are on their way back from a reunion of American football club teammates. She makes a shocking confession to them, “I killed a person.” Mizuki has a gender identity disorder and now lives as a man. She murdered a customer who was stalking a hostess (Nakamura Ann) at the club where she works as a bartender. Nishiwaki and Sugai feel disturbed and at a loss for words. But together with Nakao Kosuke (Suzuki Kosuke), another teammate who was also Mizuki’s ex-boyfriend, they make the decision to protect their brilliant youth and friend. Then Mizuki goes missing. As they try to get to the truth, distressing facts are gradually revealed. What decision will Mizuki and the team members reach?