2boys akaza_(kimetsu_no_yaiba) alternate_universe arm_around_shoulder arm_tattoo bare_arms belt black_pants bleeding blonde_hair blood blood_on_hands blush cape closed_eyes colored_eyelashes colored_tips cuts demon_slayer_uniform flame_print forked_eyebrows hakama half_updo heart highres holding hug injury japanese_clothes kimetsu_no_yaiba korean_commentary korean_text long_hair long_sleeves looking_at_another looking_away male_focus multicolored_hair multiple_boys open_mouth pants pink_hair profile red_hair rengoku_kyoujurou short_hair simple_background sleeveless smile streaked_hair tattoo ungungzza white_background white_cape yaoi yellow_eyes