himitsu (hi mi tsu 2), koharu (blue archive), blue archive, absurdres, commentary request, highres, revision, 1girl, arms behind back, barefoot, bdsm, beret, black hat, black wings, blush, bondage, bound, bound ankles, bound arms, bound legs, breast bondage, breasts, breasts out, feathered wings, feet, full body, gag, gag harness, gagged, halo, hat, head wings, hogtie, indoors, lactation, long hair, long sleeves, looking at viewer, lying, medium breasts, nipples, no shoes, on stomach, open clothes, open mouth, open shirt, pink eyes, pink hair, pink halo, restrained, ring gag, rope, sailor collar, school uniform, shibari, shibari over clothes, soles, solo, sweat, tears, the pose, toes, tongue, tongue out, twintails, white sailor collar, winged hat, wings