In a world where the dead become books, a boy with a bomb in his chest is ordered to kill the strongest armed librarian, but his encounter with a princess's book changes his fate.

爆弾として生きる少年の恋が、世界の仕組みに小さな奇跡を起こす。

A light novel about masks, secrets, and powers that evoke an ancient civilization. Retitled from its submission name, it turns conflict among young characters into an adventure in the Super Dash Bunko style.

What lies beneath the mask begins to move the young characters' fate.

This occult light novel centers on the Hoshinomiya twins: Mikage, gifted in exorcist arts, and Koki, who lacks talent for onmyo magic. After training abroad because of his ability to see spirits, Koki returns home and a confrontation opens the way to a strange case.

A rift between twins born into a family of exorcists leads into a chain of supernatural incidents.