魔法科高校の劣等生 夜の帳に闇は閃く
Dengeki Daioh
Satou, Tsutomu, Tagawa, Yoshiyuki
The story of the spinoff novel follows the Kuroba siblings, who are sworn to protect Tatsuya Shiba. They face a new threat when an enemy from a foreign mafia sets their eyes on Tatsuya. (Source: ANN)
