namiuchigiwa no muromi-san
mukoujima takurou, sumida-san
awa
1boy, 1girl, bikini, black hair, blue hair, blush, bracelet, breasts, cleavage, clenched teeth, closed eyes, collarbone, green eyes, hair ornament, hetero, jewelry, long hair, medium breasts, mermaid, monster girl, open mouth, ponytail, seashell, shell, spiked hair, swimsuit, teeth