"Akane, I love you." "Thank you. I love you, Asato." Asato and Akane start dating since then. After four years of dating, they start living together. Asato works for a publishing company, and Akane joins a technical college to become an illustrator. Akane's smile.... It's his treasure.... He doesn't want to lose it.... They live a happy life though they are busy. And he thinks this life will last forever..., yes, until that man appears....