1girl, acheron_(honkai:_star_rail), body_markings, bright_pupils, colored_extremities, commentary, flower, hair_over_one_eye, hair_spread_out, highres, honkai:_star_rail, honkai_(series), limited_palette, long_hair, looking_at_viewer, lying, nude, official_alternate_color, on_back, parted_lips, red_eyes, red_flower, red_hands, red_petals, ryein, solo, symbol-only_commentary, upper_body, very_long_hair, white_hair, white_pupils