donkey (artist), shimazu donki, kitamura eri, otonashi saya, seira (mermaid melody pichi pichi pitch), blood+, mermaid melody pichi pichi pitch, 00s, 2girls, :3, armlet, bikini, bikini top only, blunt bangs, blush stickers, choker, crossover, height difference, jewelry, long hair, mermaid, monster girl, multiple girls, orange eyes, orange hair, pendant, purple hair, red eyes, school uniform, serafuku, short hair, simple background, smile, swimsuit, v arms, voice actor connection, white background