2boys, absurdly long hair, bishounen, blue hair, blue lips, colored skin, crossed arms, cyborg, fiery hair, fins, full body, gills, grey background, grey skin, hands up, head fins, long hair, looking at viewer, male focus, mechanical arms, mechanical tail, merman, monster boy, monsterification, multicolored skin, multiple boys, respirator, ringed eyes, scales, sharp teeth, short hair, siblings, simple background, tail, teeth, very long hair, webbed hands, yellow eyes