- Yuka Iguchi
- Â Aoi Yukimura 12 episodes, 2022
- Kana Asumi
- Â Hinata Kuraue 12 episodes, 2022
- Yui Ogura
- Â Kokona Aoba 12 episodes, 2022
- Yôko Hikasa
- Â Kaede Saito 10 episodes, 2022
- Aya Hisakawa
- Â Megumi Yukimura 8 episodes, 2022
- Nao Tôyama
- Â Honoka Kurosaki 7 episodes, 2022
- Ai Yamamoto
- Â Kasumi 7 episodes, 2022
- Kanon Takao
- Â Yuri 6 episodes, 2022
- Ayaka Nanase
- Â Mio 6 episodes, 2022
- Fumiya Imai
- Â Classmate / ... 5 episodes, 2022
- Seiro Ogino
- Â Kenichi Kuraue / ... 5 episodes, 2022
- Yukihiro Nozuyama
- Â Classmate / ... 5 episodes, 2022
- Emiri Iwai
- Â Koharu Senjuin 5 episodes, 2022
- Yui Makino
- Â Yuuka Sasahara 4 episodes, 2022
- Atsushi Imaruoka
- Â Honoka's brother / ... 4 episodes, 2022
- Yûko Gibu
- Â Hikari Onozuka / ... 4 episodes, 2022
- Taito Ban
- Â Chorus / ... 3 episodes, 2022
- Yuki Kaida
- Â Jennifer 3 episodes, 2022
- Miyuri Shimabukuro
- Â Classmate / ... 3 episodes, 2022
- Misuzu Yamada
- Â Classmate / ... 3 episodes, 2022
- Nelson Babin-Coy
- Â Michael 3 episodes, 2022
- Yukiko Aruga
- Â Announcement / ... 3 episodes, 2022
- Yukako Kiuchi
- Â Employee / ... 3 episodes, 2022
- Seiichiro Yamashita
- Â Mountain Climber A / ... 2 episodes, 2022
- Fuminori Komatsu
- Â Makoto Yukimura 2 episodes, 2022
- Naho Kousaka
- Â Chorus / ... 2 episodes, 2022
- Jun Fukushima
- Â Furuta-sensei 1 episode, 2022
- Ryôka Yuzuki
- Â Mai Kuraue 1 episode, 2022
- Yûya Murakami
- Â Staff 1 episode, 2022
- Shûichi Uchida
- Â Mountaineering Club Member 1 episode, 2022
- Ikkyû Jaku
- Â Owner 1 episode, 2022
- Yoku Shioya
- Â Arai-sensei 1 episode, 2022
- Kôichi Sôma
- Â Owner 1 episode, 2022
- Masaru Ikeda
- Â Mountain Hut Proprietor 1 episode, 2022
- Hana Tamegai
- Â Classmate 1 episode, 2022
- Sayaka Kitahara
- Â Classmate 1 episode, 2022
- Ayaka Fujii
- Â Classmate 1 episode, 2022
- Junji Tachibana
- Â Principal 1 episode, 2022
- Sae Nonomiya
- Â Classmate 1 episode, 2022
- Takuya Yokota
- Â Classmate 1 episode, 2022
- Kyôko Narumi
- Â Classmate B 1 episode, 2022
- Kyo Nagai
- Â Mountaineering Club Member 1 episode, 2022
- Maho Yashiro
- Â Classmate 1 episode, 2022
