Hisashi as well as Mai are a delighted couple in their 20s who are involved to be married. However three months prior to their wedding celebration, Mai comes to be seriously ill. Her heart quits temporarily, and also she falls into a deep coma. Hisashi sees Mai at the medical facility every day before job. Without any suggestion if or when she will ever awake, Mai's parents encourage Hisashi to locate someone else, yet he rejects to surrender and also remains to pray for her recovery. As if his prayers are answered, Mai begins to restore awareness several years later, and also even utters a couple of words. However unfortunately, she has actually experienced brain damage as well as has no memory of Hisashi.