The secret between the two of them

Eita Nagayama

Nakajima Keisuke / "Nakaji"

Juri Ueno

Mizuno Tsukiko / "Haru"

Tetsuji Tamayama

Ichihara Kaoru / "Linda"

Kim Jae-joong

Park Seonsu / "Doctor"

Megumi Seki

Nishimura Hikari / "Peach"

Mayumi Asaka

Ichihara Misako

Haruka Kinami

Park Minha

Koji Kikkawa

Ryosuke Nakajima

Ryo Ryusei

Masafumi Takahashi

Eri Watanabe

Mariko Okuda

Yuichi Nakamura

Shu Mizuno

Rin Aizawa

Yuki Maeda

Haruka Igawa

Toko Yamamoto

Toshihide Tonesaku

Takafumi Shiraishi

Shogo Sakamoto

Kenta Matsushima