gan-chan (artist), ousaka hikari, hitozuma sentai aisaiger, game cg, non-web source, official art, variant set, 1girl, :o, ahoge, antenna hair, bath, bathing, breasts, brown eyes, brown hair, completely nude, convenient arm, convenient censoring, from side, hair between eyes, holding, hugging own legs, indoors, knees up, long hair, medium breasts, nude, onsen, open mouth, partially submerged, red eyes, sitting, solo, steam, water, wet, wet hair, whistle, wooden wall