Ubawareru Kakugo wa Yoroshii desu ka? ~Aku Homare no Otome to Eiyuu Sou no Kishi~

She may be called a villain, but for the dream she seeks - the ‘fake lady’ will take it all away! Claire is a girl who was picked up and raised by pirates. When she takes the captain's exam for the pirates, her path is blocked by Adolf, a beautiful and cold-hearted man. He is a heroic knight whose name is known throughout the country. Adolf captures Claire and puts her in grave danger, but it's all a trick by the princess and her adoptive father, who used to be a servant of the princess!?Claire accepts a mission in exchange for her life and the lives of her companions. She is given the status of a fake ‘countess’, and must find out the secret of a certain case. If her identity is revealed or she fails, she will be killed, and the man assigned to keep an eye on the ‘villain’ Claire is, unexpectedly, Adolf. Claire and Adolf, who are on the edge of despair, end up living as "fake lovers" for the mission, but the two, who have lived completely opposite lives, just clash. But when he discovers Claire's courage and resourcefulness, they gradually begin to fall for each other...?

Original Webtoon

https://www.cmoa.jp/title/336286/