1boy 6tygu akaza_(kimetsu_no_yaiba) arm_tattoo blue_eyes blue_sclera chest_tattoo colored_eyelashes colored_sclera commentary_request covered_mouth covering_face eyelashes facial_mark facial_tattoo hand_tattoo hands_on_own_face hands_up heterochromia highres kimetsu_no_yaiba male_focus nude own_hands_together red_background red_hair red_nails short_hair simple_background solo tattoo text_in_eyes upper_body yellow_eyes