School years should be the best time of our lives, but Lune spends his days invisible, no one taking an interest in him. At the start of a new summer, however, secrets are about to overturn his ordinary life.
In trying to curse the guy who just dumped him, Rin, a fine arts student and heir to a family of sorcerers, accidentally hits the wrong person. Khobfah, a third-year business administration student, with his spell. While he can't undo the bad luck he's brought about, he'll try to use his own good luck to balance out Khobfah's misfortune.