The Hero Is Overpowered But Overly Cautious, Vol. 1 (Manga), Paperback

Ristarte summons a hero who excels in every area to assist her. He's everything she expected him to be except for one, tiny thing: this anxious hero can't do anything unless he's absolutely sure nothing can go wrong The manga adaptation of the break-out hit is finally here

Koyuki is the artist behind the Log Horizon spin-off manga, Log Horizon: The West Wind Brigade.