namiuchigiwa no muromi-san
mukoujima takurou, sumida-san
awa
1boy, 1girl, bikini, black hair, blue hair, blush, bracelet, green eyes, grey eyes, hair ornament, hetero, jewelry, long hair, mermaid, monster girl, open mouth, ponytail, saliva, saliva trail, seashell, shell, spiked hair, swimsuit