Akira Tachibana who work at Kinoshita foundry can not love other people because of the trauma he suffered by being molested by his manager Kinoshita, who have both been like a father to Akira since he was little. Akira has lived a meaningless life. One day, when Akira driving his motorcycle, he meets a woman dressed in a red dress in a tunnel. He takes back the unconscious woman to his apartment and takes care of her, but when she wakes up, she walks away from his place without a word. This is the moment Akira meets Kaori Yamamoto.