htoL#NiQ: The Firefly Diary — side-scrolling adventure arcade puzzle game. You will control a firefly, whose main task is to illuminate the path and guide the heroine, a girl named Mion. She is imprisoned in the depths of ancient ruins and her main task is to leave this place. Mion doesn’t remember anything about the past, and most importantly, how she ended up in ruins. Her firefly savior is named Hotaru and he must lead her to safety.