© 2026 The Couch Critic
Status
Ended
Release
2015 - 2015
Seasons / Eps
1 / 13
Streaming availability by country
We couldn't find any streaming, rent, or buy options for this content in US
Humanity has successfully colonized all the planets in the Solar System, with intentions to continue into new frontiers. Individuals live stable lives in these colonies, including young high school students living in 4th Tokyo on Mars. Two of these students are Iris Shirazaki and Mizuki Sera. Iris is finishing her last year of high school while studying to be a test pilot while her friend Mizuki also works as a mechanic on the aircraft. Her own brother, Kaito, oversees Mizuki and Iris as their homeroom teacher and program director.
46 Cast Members
Showtaro Morikubo
Kaito Sera (voice)
13 Episodes
Yuma Uchida
Nagisa Kiryu (voice)
13 Episodes
Sora Amamiya
Iris Shirasaki (voice)
13 Episodes
Ari Ozawa
Mizuki Sera (voice)
13 Episodes
Yu Kobayashi
Angelina / Hanako Hattori (voice)
13 Episodes
Minami Tsuda
Makoto Ryoke (voice)
13 Episodes
Toshiyuki Toyonaga
Kojiro Kitahara (voice)
13 Episodes
Aya Suzaki
Tsubasa Hanaoka (voice)
13 Episodes
Takayuki Kondo
Sakugo Maioka (voice)
13 Episodes
Kana Asumi
Yuna Nonen (voice)
13 Episodes
Shiina Natsukawa
Aki Kaminagaya (voice)
13 Episodes
Yoshino Nanjo
Subaru Yamaki (voice)
13 Episodes
Yui Horie
Kaoruko Takanashi (voice)
13 Episodes
Kazuhiko Inoue
Kazuhisa Kiryu (voice)
13 Episodes
Hiroyuki Yoshino
Yuji Kiryu (voice)
13 Episodes
Yusaku Yara
Shigeru Yamamoto (voice)
5 Episodes
Hinata Tadokoro
Board Member (voice)
1 Episodes
Sarah Emi Bridcutt
Child (voice)
3 Episodes
Junpei Morita
Jason Li (voice)
3 Episodes
Motomu Kiyokawa
Genzo Yanai (voice)
3 Episodes
