He is studying abroad in America (think it’s a manhua) he hates his classmates. He is a chemist I think and the ML is unintentionally bullying him. He has no friends in the US so he signs up for this dating app. The guy he matches with is the ML but he doesn’t know. Main lead pretends to be an engineer and keeps texting back and forth until he flies to Seattle and the lie is found out. Protagonist plans to go back to China and work for his old professor ML follows him.