You must have noticed by now.

Cast

• 

  Kaito Ishikawa

  Nagi Umino (voice)

• 

  Akari Kito

  Erika Amano (voice)

• 

  Nao Toyama

  Hiro Segawa (voice)

• 

  Konomi Kohara

  Sachi Umino (voice)

• 

  Ryohei Kimura

  Youhei Umino (voice)

• 

  Yoko Hikasa

  Namie Umino (voice)

• 

  Toshiyuki Morikawa

  Souichirou Amano (voice)

• 

  Yukiko Aruga

  Rituko Amano (voice)

• 

  Natsuko Hara

  Secretary (voice)

• 

  Yoshitsugu Matsuoka

  Shion Asuma (voice)

• 

  Aino Shimada

  Sousuke (Childhood) (voice)

• 

  Saya Fukuzumi

  Girl (voice)