1boy, ahoge, animal_feet, bird_legs, bird_wings, blue_wings, closed_eyes, closed_mouth, facing_to_the_side, feather_hair, feathered_wings, full_body, grey_background, grey_hair, harpy_boy, head_wings, isaki_(shimesaba), long_hair, male_focus, monster_boy, multicolored_wings, muted_color, neck_fur, original, partially_feathered_tail, sidelocks, simple_background, solo, tail, talons, very_long_hair, white_wings, winged_arms, wings