Kyouhaku: Owaranai Ashita  

Blackmail, L`axe du mal, The Blackmail: Tomorrow Never Ends, 협박 ~끝나지 않는 내일~, 脅迫~終わらない明日~, 脅迫～終わらない明日～

Yumiko, who was a student at school, seeks vengeance against her close companion for secretly filming her being assaulted by multiple individuals during the attack. as a result of this betrayal, yumiko intends to retaliate against all of her former friend's acquaintances.