1girl, bad_pixiv_id, blue_eyes, blue_hair, blue_ribbon, fins, fish, flower, groin, happy, head_fins, long_hair, mermaid, midriff, monster_girl, navel, open_mouth, ponytail, puyopuyo, ribbon, serilly_(puyopuyo), sitting, solo, stomach, strapless, tepo_so_hou, tube_top, underwater, very_long_hair, wavy_hair, white_tube_top