The Concubine Wants to Pamper His Highness but Not

"Madam, may my husband wait for you to go to bed today?" "Your Highness, my concubine's menstrual period is here, it's not very convenient!" His Royal Highness gritted his teeth and became angry, "Which woman's menstruation lasts for a month?" A certain woman spread her hands and looked innocent, "Maybe, our daughter's family in Xiyue is different!" "Okay, the prince is waiting for you." A certain woman looked up at the sky helplessly. It was only because she had forgotten this when she signed the agreement!