Akari (Yuriko Yoshitaka) lost her eyesight and family in an accident. While trying to enjoy the small things in her life, Akari struggles to live happily. Akari mistakes Rui (Ryusei Yokohama) for someone else and begins to talk to him. Rui was once a promising kickboxer, but something happened in his past to cause him to disassociate himself from everyone. Akari's smile brings out a change in Rui. The two people begin to have feelings for each other, but Rui learns about Akari's past accident and his connection. Rui decides to take part in an underground fight to pay for Akari's eye surgery.