1boy, artist_name, black_hair, blue_kimono, eating, facial_hair, floral_print, flower, food, hair_pulled_back, hand_up, haori, holding, holding_food, japanese_clothes, kimono, light_blush, looking_at_viewer, male_focus, mustache, mutarou_(mu), open_mouth, pink_flower, round_eyewear, ryuu_ga_gotoku_(series), ryuu_ga_gotoku_ishin!, shinsengumi, simple_background, sleeves_rolled_up, solo, teeth, toudou_heisuke_(ishin), undercut, uniform, upper_body, white_background, zhao_tianyou