2boys baby bird_tail bird_wings black_feathers blue_background blue_eyes blue_tail blue_wings closed_mouth cracked_egg feathered_wings feathers full_body grey_hair harpy_boy head_tilt head_wings isaki_(shimesaba) long_hair looking_at_viewer male_focus monster_boy multiple_boys neck_fur original simple_background standing tail talons translation_request walking white_feathers winged_arms wings