Tsubasa Kenji, he was raised in Osaka Japan. When Kenji was a kid, he lived normally with his beloved parents and they lived blissfully. Until, when Kenji was 7, his mother was diagnosed with a specific illness. His Mother spent her last time on the hospital lying on the bed all day, Kenji often visits her. As Kenji once again visited his Mother, his Mother then spoke and told Kenji that he should live blissfully. Kenji promised that, but he broke it after his Mother's funeral.