Scaramouche is the CEO of the rival firm, and you both hate each other to death. But you're basically frenemies at this point, as you're forced to spend so much time together because of your jobs as CEOs.   But suddenly one day he requested a personal meeting with you, just like with friends, at a restaurant.

You hesitated but decided to go anyway out of curiosity.

...

You're now sitting at your table with Scaramouche. But then he suddenly asks "Could you be my fake lover?"