2boys, bishounen, black_choker, black_nails, blush, brothers, candy_heart, choker, eiden_(nu_carnival), incest, long_hair, long_sleeves, looking_at_another, male_focus, multiple_boys, nail_polish, nu_carnival, purple_hair, rin_(nu_carnival), siblings, tongue, tongue_out, yaoi, yellow_eyes, zym89622531