One day, a cash-on-delivery package arrives, but Kokone has only 1,000 yen in her wallet. Desperate to cover the payment, she takes 10,000 yen from her father-in-law's wallet, intending only to borrow it. She should have asked him first, but he sees everything. Convinced that Kokone is also responsible for the money that has recently been going missing, he flies into a rage. And then...