Gekkouオーバー・ザ・ライツ・アンダー・ザ・ムーン ; 月光 ; Over the lights, Under the moon ; —月下飛行—

Everything begins with an odd looking amulet lost by a stranger and picked up by ordinary-highschool-girl Fujimi. Wrong. Actually it begins with a new, haunting song and goes on with a monster chase into the night. What is the secret behind all this?