2girls, azur_lane, belfast_(azur_lane), belfast_(iridescent_rosa)_(azur_lane), breasts, calder_(pixiv3698273), china_dress, chinese_clothes, crossed_legs, dress, erhu, full_body, illustrious_(azur_lane), illustrious_(maiden_lily's_radiance)_(azur_lane), incense_burner, indoors, instrument, lamp, long_hair, looking_at_viewer, manjuu_(azur_lane), multiple_girls, music, official_alternate_costume, open_mouth, pipa_(instrument), playing_instrument, purple_eyes, shoes, sitting, thighhighs, white_footwear, white_thighhighs