shimanto youta, original, 1girl, :d, arm up, armpits, blue eyes, blue hair, blush, bottomless, breast slip, breasts, covered erect nipples, dated, female focus, flat chest, hat, knees up, kodomo no hi, koinobori, legs, looking at viewer, matching hair/eyes, mermaid, monster girl, nipples, one breast out, open mouth, paper hat, paper kabuto, purple eyes, purple hair, see-through clothes, short hair, simple background, sitting, smile, solo, windsock