1girl, blue dress, blue eyes, breasts, commentary request, covered nipples, dress, hair bobbles, hair ornament, hat, jacket, kawashiro nitori, one-piece swimsuit, open mouth, riku rikkuru, school swimsuit, small breasts, smile, solo, swimsuit, swimsuit under clothes, touhou, two side up, water
1girl, blue dress, blue eyes, breasts, commentary request, covered nipples, dress, hair bobbles, hair ornament, hat, jacket, kawashiro nitori, one-piece swimsuit, open mouth, riku (rikkuru), school swimsuit, small breasts, smile, solo, swimsuit, swimsuit under clothes, touhou, two side up, water