Martial Arts Begins with Signing In

My name is Xiao Yan, and my identity is that of a loser. But yes, as a time traveler, he has cheats. It was this system that Xiao Yan originally rejected, but thinking about it, if he didn't have a plug-in, wouldn't it lower the level of the time traveler? So he began his career of gaining proficiency in hundreds of schools... "System, I want to sign in." "Congratulations to the host for successfully signing in. You have obtained the twenty-four solar terms of the Fingering Finger, which also comes with thirty years of pure internal energy." ………… This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.