They knew her.. Grandpa Mu proposed to Lan dear remember?!?... Thsy didnt want to interfere and did not made any imvestigations as they want to watch a good show but they sent a spy over to the Lis's... Those were in the first few chapters... Ohhh I wnt the 10 chapters please please keep on sending gifts♥⭐🔥
Oshea101417