The story of Mei takes place in present day Tokyo, Japan. Mei, a young teenage girl struggles to understand the rejection of her father. She loves her older sister Kana who is referred to by their father as Sakura because of her beauty. After experiencing the disillusion of friends & the false promises of love, Mei spirals down into a world of solitude and seclusion. Kana then introduces Mei to an elderly man named Seiko, an ex-Yakuza member with an unknown past that may be linked to Mei. After meeting Seiko, Mei's world quickly dissolves when she blames herself for the tragedy that befalls her sister Kana, causing Mei to abruptly leave Japan and escape into a world of self-destruction.