Ohno Shiori is just an ordinary high school girl. One day, Umenokisaka Bella comes to her class as a transfer student. Bella is given the seat of the recently deceased Sasaki Kozue, a close friend of Shiori's that died in a tragic accident. Shiori notices that Bella has the same kaleidoscope key chain that her and Kozue also owned. Due to her personality, Bella soons becomes a victim of bullying in the classroom but there is something strange about her. What is the truth behind the relationship between Kozue and Bella? What is the truth behind Kozue's accidental death?
Episode 1
Aug 13, 2020
Umenokisaka Bella comes to the class of Ohno Shiori as a transfer student. The classmates are interested in Bella's looks but she doesn't respond to them at all. Angry with her attitude, they decide to bully her.
Episode 2
Aug 13, 2020
The next day, Shiori is shocked to see that Bella, who fell from the rooftop in front of her, is fine. Ayane is forced by Kaoru and Rin to steal in a downtown area at night but Bella appears before her.
Episode 3
Aug 13, 2020
Rin hides her secret social media account from everyone, but that doesn't stop her from obsessing over the number of followers her account has. After the numbers drop, she gets desperate to increase them.
Episode 4
Aug 13, 2020
Rin manages to recover her number of followers but is outed as the owner of the account. She is shunned but sticks to the account regardless.
Episode 5
Aug 13, 2020
Nanami, an idol, is given a lot of affection by her mother. However, she is in love with her manager and wants to retire. She goes to Shiori to help her plan selling the story to a weekly magazine.
Episode 6
Aug 13, 2020
Nanami's plans get crushed and she is forced to drop out of school. Shiori is convinced that her classmates were involved in the death of Kozue.
Episode 7
Aug 13, 2020
Kaoru is a class leader with excellent grades. Her father, Hideki, is a famous prep school instructor that even appears in commercials. One day, she follows Bella to her home.
Episode 8
Aug 13, 2020
Kaoru resolves to live up to her father's expectations of her but falters after finding out they're out of money and can't buy the medicine he depends on. She is introduced to a less than savory way of earning money by Maria but can't go through with it.
Episode 9
Aug 13, 2020
Shiori has been forced to her limit after watching Bella destroy Ayane, Rin, Nanami and Kaoru one after the other. She resolves to find out the truth behind Bella's relationship with Kozue.
Episode 10
Aug 13, 2020
Maria hears about the true identity of Bella from Shiori. Her attempt to kill Bella fail. Finally, the truth behind why Kozue died comes out. Can Bella fulfill her promise to Kozue?
