Au sommet de Tsukuba

Asami Seto

Chihaya Ayase (voice)

Mamoru Miyano

Taichi Mashima (voice)

Yoshimasa Hosoya

Arata Wataya (voice)

村上裕哉

Isami Kuriyama (voice)

Aya Hisakawa

Rieko Oe (voice)

中道美穂子

Shinobu Wakamiya (voice)

Kazuya Nakai

Hiro Kinashi (voice)

藤田淑子

Taeko Miyauchi (voice)

小形満

Hirokazu Yoshioka (voice)

遠藤大智

Tokiji Fukasaku (voice)

Chika Anzai

Fuyumasa Tsukuba (voice)

杉浦奈保子

Haruomi Tsukuba (voice)

佐藤恵

Natsufusa Tsukuba (voice)

烏丸祐一

Makoto Oda (voice)

佐藤拓也

Takashi Nagura (voice)

西野陽子

Emi Suda (voice)

七野うみ

Ayaka Sakura (voice)

皆瀬まりか

Satoko Kitaoka (voice) / Yuri Nawano (voice) (uncredited)

Ai Kayano

Kanade Oe (voice)

代永翼

Tsutomu Komano (voice)

奈良徹

Yusei Nishida (voice)

Megumi Han

Sumire Hanano (voice)

Miyu Irino

Akihiro Tsukuba (voice)