2boys, backwards_hat, bangs, barefoot, baseball_cap, black_hair, blonde_hair, blue_eyes, demon_boy, elf, eyewear_on_headwear, from_behind, grin, hat, light_brown_hair, long_hair, looking_at_viewer, low-tied_long_hair, male_focus, monster_boy, multicolored_hair, multiple_boys, multiple_views, pointy_ears, shorts, sidelocks, smile, sportswear, standing, tail, two-tone_hair, volleyball, volleyball_uniform