2boys ^_^ afterimage alternate_universe bamboo belt black_sclera brothers closed_eyes clothes_grab clothes_writing colored_sclera comforting comic demon_boy demon_slayer_uniform eye_contact facing_away facing_viewer gagged greyscale hand_on_another's_arm hand_on_another's_back hand_on_another's_head haori highres hug japanese_clothes katana kimetsu_no_yaiba kneeling long_hair looking_at_another male_focus mohawk monochrome multiple_boys open_mouth pants scar scar_on_face scar_on_nose shinazugawa_genya shinazugawa_sanemi siblings surprised sword translation_request weapon youraku