1girl, <, alternate_costume, arms_behind_head, bare_legs, barefoot, blue_one-piece_swimsuit, closed_mouth, curly_hair, dated, earrings, full_body, horizontal_pupils, horn_ornament, horn_ribbon, horns, jewelry, lying, on_back, one-piece_swimsuit, pointy_ears, rectangular_pupils, red_eyes, red_horns, ribbon, sand, shadow, sheep_horns, signature, solo, spread_legs, swimsuit, syope, touhou, toutetsu_yuuma, white_hair