Geon-Ho Kim already saved the world. As the last man standing after preventing the apocalypse, he’s ready to pass on and greet his old comrades in the afterlife. But destroying a hero’s enhanced body isn’t so easy, and Geon-Ho’s been sent back to his own timeline where he’s still 19, shy, awkward, and hopelessly in love with his classmate, Hae-Jeong. There are 100 days before Geon-Ho’s meant to die—it’d be a shame if he found something to live for.

(Source: Tapas)