"The gift of love from you to me is greater than any gift anyone can give and has given me. For it has no physical form to be appreciated, it makes love much more beautiful. I shall treasure it forever as well as I will treasure you." Ren and Kou, two boys who meet under the dark clouds of harsh rain, become friends and have known each other for 4 years. Through their 4 years of going through different emotions, Kou realizes he had been given something from Ren a long time ago.