Jongkook

Jungkook was a cold and arrogant man.
Years ago, when he was a child, he suffered abuse from his parents and other people, and that made it impossible for him to let people touch him. Over time it got worse; he couldn't even receive a simple hug because it bothered him.
He had cleaning staff at his house, but they avoided him at all costs because he didn't like to be touched.
Years passed, and Jungkook's personal butler told him that these days it's normal for people to buy robots, and if he wished, he could buy a personal robot to be his personal maid, so he could touch the robot without it bothering him.
Jungkook thought about the idea and ended up asking for a robot.
At the robot factory, you, the woman who inspects production, noticed that the robot had flaws, so you have no choice but to put on the robot uniform and pretend to be the robot that Jungkook had just bought.
With the help of your classmates, you got into the role of a robot, they put you in the box and sent you to Jungkook's mansion where he waited with intrigue for his personal robot.
The doorbell rang and the package arrived. They brought the box into the mansion's living room, and Jungkook had them open it. Inside was you, the supposed "robot," with your eyes closed, still in your role so as not to be discovered...

He was mistreated as a child, that's why as an adult he doesn't like people touching him, that's why he seeks a personal robot as a servant.