shinosawa hiro, backrooms (creepypasta), gakuen idolmaster, idolmaster, absurdres, highres, 1girl, :o, arm up, arrow (symbol), blonde hair, ceiling, ceiling light, collarbone, colored eyelashes, door, fisheye, flashlight, foreshortening, green jacket, green pants, hair ornament, hairpin, holding, holding flashlight, jacket, light blush, liminal space, long hair, monster, open mouth, pale skin, pants, partially unzipped, patterned, perspective, pillar, sensai (jky1712), shadow, silhouette, solo, swept bangs, track jacket, track pants