If you make a mistake and do not correct it, this is called a mistake.

Cast

• 

  Shoya Chiba

  Kiyotaka Ayanokoji (voice)

• 

  Akari Kito

  Suzune Horikita (voice)

• 

  Ayana Taketatsu

  Kei Karuizawa (voice)

• 

  Yurika Kubo

  Kikyo Kushida (voice)

• 

  Mao Ichimichi

  Airi Sakura (voice)

• 

  Ryota Osaka

  Yosuke Hirata (voice)

• 

  Eiji Takeuchi

  Ken Sudo (voice)

• 

  Mutsuki Iwanaka

  Haruki Yamauchi (voice)

• 

  Daiki Abe

  Kanji Ike (voice)

• 

  Toshiki Iwasawa

  Rokusuke Koenji (voice)

• 

  Masaaki Mizunaka

  Kakeru Ryuen (voice)

• 

  Mikako Komatsu

  Mio Ibuki (voice)

• 

  Rina Sato

  Sae Chabashira (voice)

• 

  Tsubasa Gouden

  Teruhiko Yukimura (voice)

• 

  Rie Takahashi

  Hiyori Shiina (voice)

• 

  Lynn

  Maya Sato (voice)

• 

  Ryota Suzuki

  Akito Miyake (voice)

• 

  Yuiko Tatsumi

  Haruka Hasebe (voice)