【Highly acclaimed volumes 1-10 of the comic adaptation are now on sale from Dengeki Comic Regulus!】

【The novel series, up to Volume 3, is available from KADOKAWA BOOKS】

A skill utterly useless on its own: <Restoration>.

However, to save his childhood friend—a girl who had sacrificed herself to protect others—

Toru spent twenty-five long years developing the skill, once deemed useless.

The skill he finally perfected possessed a power that would defy the world's common sense.

Joined by a mischievous child he found in an alley and an elderly landlady, Toru and the girl

decide to continue their adventure together, aiming to become legendary heroes.

The man who has relentlessly survived the depths of despair now resolves to move forward, to witness a new future—.