2boys, bandaged_hand, bandages, black_hair, blade_(honkai:_star_rail), facing_another, grey_hair, holding, holding_knife, honkai:_star_rail, honkai_(series), jacket, jing_yuan, knife, long_sleeves, looking_back, male_focus, medium_hair, multiple_boys, mwo0o0, parted_lips, red_background, red_eyes, red_jacket, teeth, tongue, tongue_out, yaoi, yellow_eyes