Grandma could only advise again, “It’s just a concubine. Before the mistress enters the door, she drinks a decoction to prevent pregnancy. After a few years, when the master and the husband have given birth to an eldest son, she will leave, so why should you quarrel with Fourth Master over this”,"He's so pure and innocent, don't let others take advantage of him. I should be the one.",It's not curfew yet, but Cheng'er is forcing himself to go that way despite the discomfort.。