Siheyuan: My Sign-in System is Specially Designed to Deal with Beasts

Su Jianshe awakens the sign-in system, only to discover his adopted sister drugged and chained to Sha Zhu by a deaf old woman! Are the beasts of the entire compound forcing his sister to accept the consequences? Signing in successfully, he gains Grandmaster combat power! He smashes the Jia family's door with a single punch and sends the Taoist priest flying with a two-footed kick. Su Qingyang picks up his sister and sneers: From now on, I'll be the master of all beasts!