All Hisato wanted was to spend his last year of school forgetting about the incident 3 months ago. However, life decided to throw at him Minori, an unyielding, rolling pin toting girl who saw what happened that day. She makes a odd deal with him, her silence in exchange for his skills. As their relationship grows, Hisato finds himself unable to hide from Minori the truth of what happened during those 3 months. As time grows shorter, Hisato fears his hopes of tomorrow together will never come.