Mei has been in love with Yuya all her life. They've grown up together. But when they reach their second year of middle school, Yuya suddenly professes his love for her older sister, Haruna.
Nishino Atsush
Takemiya Mei
Takahashi Riku
Yamagishi Mia
Nakagawa Sara
Inoue
Takemiya Mei (young)
Ishikawa Haruo
Tadokoro Mami
Kawaguchi Miyabi
Nishino Natsumi
Shinozaki Yuya
Murakoshi Koichi
Morisaki Takamichi
Fujiwara Natsuki
Takemiya Haruna
Takemiya Toshihisa
Nishino Atsushi (young)
Yasuda Shu
Dr. Ota
Ishikawa Machiko
Ai-chin
