C427 Come to My House

As for Ma Guan's question, Ye Yan had already guessed it. He probably wanted to ask what went wrong with the Coiling Dragon Board and how to solve it. Ye Yan did not have a general idea of what to do at the moment, and did not want to lie to him, so he used class as an excuse to drive Ma Guan away first.

If he was pestering them here