C2212 You Know the Secret by Accident

"Didn't you all ask for sick leave? I will tell them that I am treating you. " Martial Uncle Loong Lian replied without batting an eyelid.

"You even know this Martial Uncle Loong Lian?" Gu Xiaoxiao was flabbergasted and hastily covered her mouth.

"Alright, you guys can start learning now. Tell me when you've learnt it