A young girl appears to study under Yuki as an apprentice assassin. A failed magician? Or?
May 2096AD, approximately two years have passed since Hashibami Yuki was defeated by Tatsuya. She has been working on a daily basis as a professional assassin under the direct control of Kuroba Fumiya.
During that time, the Yotsuba dispatch Ouzaki Nao, ‘a young apprentice assassin,’ to train under Yuki. Yuki’s personality complex is reflected like a mirror by Nao’s girlish disposition and appearance, and so their strange life together begins.
And now, a new target is decided.
Fanning the flames of the ‘Humanist cause’, a certain cult schemes to assassinate Shiba Tatsuya. Nao takes action to put her abilities to the test——
A failure? Or? On her own, will Nao’s Flash Casting be strong enough!?