What do you do when your life long dream is crushed in but a single moment? What do you do with the time you spent, the effort you gave? For High School graduate Ataru Aikawa, there was no answer. Until he found himself diving into another world after following the calls of help of a mysterious horned girl. Now, in a world of swords and magic, he finds himself with a second chance at life. All he has to do is not screw it up.