C22 Brother?

"Ah, maybe I'm just overthinking things," Lee Yifann thought. He reckoned he was just being paranoid. After all, who'd be trailing him? He wasn't some fugitive or anything.

He headed back home, thinking nothing of it. Since it was only a little past five and not too late, Wang Cuifen hadn't returned yet.

Lee Yifan grabbed the kettle, preparing to heat some water for a shower