Hidan no Aria

Hidan no Aria, also known as Aria the Scarlet Ammo or 緋弾のアリア, is a popular Japanese light novel set in Tokyo Butei High school, a unique institution that trains armed detectives known as 'Butei.' The story follows Tohyama Kinji, a sophomore student with a special ability that activates a 'super mode' when stimulated. Kinji's attempt to keep his power hidden is disrupted when he becomes involved in a bombing incident and meets the elite members of the Butei high 'Assault' department, particularly Aria H. Kanzaki. Filled with action, comedy, drama, romance, and supernatural elements, this light novel explores themes of hidden abilities, secrets, and the challenges faced by a reluctant protagonist.