In ancient romance novels, were there any plots where the male protagonist misunderstood the female protagonist, and the female protagonist hanged herself to prove her innocence?

It was a sadistic novel that he had read a long time ago. He liked it very much. [Clue 1: The female protagonist originally liked her cousin, but because of some family reasons, she was forced to marry another man.] After that, she was saved by the male lead and married. [Clue 2: The female lead seems to be the male lead's ninth concubine.] [Clue 3: After getting along, the male protagonist likes to give jewelry to the female protagonist, and the female protagonist seems to have made a pair of shoes for him?] Clue 4:(Important point) Once, the female protagonist's cousin came to the female protagonist and said that he would take her away, but the female protagonist had already fallen in love with the male protagonist and rejected her cousin. Coincidentally, the male protagonist saw it and misunderstood. Clue 5: The male protagonist refused to see the female protagonist. The female protagonist begged the butler to take her to the male protagonist and said to the male protagonist,"I can use death to prove my innocence." The male protagonist laughed at the female protagonist at that time. The female protagonist was ordered by the male protagonist to be locked in the house. The female protagonist was hurt and hung herself. Clue 6: When the male protagonist was drinking with the first lady, he found that the necklace he had given to the female protagonist was with the first lady and asked. The first lady said that the female protagonist said that she didn't need it anymore and would give it to her. The male protagonist realized that something was wrong and ran back to the female protagonist's room to find that the female protagonist had hanged herself. <strong></strong><strong><strong> Clues: The female protagonist doesn't wake up no matter what. A friend of the male protagonist (who is very skilled in medicine) said that he would take her away if he could save her.(Teasing the male protagonist) The male protagonist refused to let his friend give him poison to eat. The female protagonist has actually woken up. After the male protagonist took the medicine (actually, the medicine only hurts, not poison), he thought he was going to die and confessed to the female protagonist. In the end, the truth was revealed and his friend embarrassed him. Clue 8: After his friend left, the male protagonist said that his friend was trying to avoid his fiancée. The female protagonist said that she would use the male protagonist's power to help his friend's fiancée catch the male protagonist's friend. ============================================== This is what I've been through. I hope everyone can help. Thank you! (^o^)/~ This was an ancient romance novel. I want to find the title of the book