I Play the Bad Guy #5

This is a story about switching souls. She is a princess, sent to marry a tyrant for the peace of her country. When she tried to kill the tyrant, she accidently entered his bathroom and saw him naked. At the end, her assassination failed, what's worse, her soul was switched with the tyrant. Both the tyrant and she herself experience a series of changes brought afterwards. And also more intereting stories happen after that. Read the book, you will find it rather funny and suprising.