Sayaka, a high school student, kills herself but the reason behind her suicide is unknown. She appeared to have led a normal life with her family. Her mother Rumiko seemed to have raised Sayaka with love and care. In reality, … Erika Toda, Mei Nagano, Mao Daichi, Masaki Miura, Yuri Nakamura, Rio Yamashita, Atsuko Takahata Added on Netflix 2023-09-04.