Beast Control: Evolution of War Pets, Starting from Exchanging Materials

"Crazy bitch, you've gone too far!" Xia Zhi dragged his tired body and limped out of the tenant's room. Return to the rental house. Trembling, he grabbed the knife in his hand. 'Ding~' 'I feel that the host has a death wish, this system is opened in advance and is being accepted...' 'Ding~' 'The host's acceptance is completed and the material exchange system is started. ' Xia Zhi was stunned. Is the system coming? "It's all worth it!" Relying on the material exchange system, Xia Zhi continued to evolve his beast control. Until one day, he made a new discovery. Evolution route: Beast-eared girl, angel form, demon form, fairy mode Evolution materials:… On this day, he seemed to have discovered a new continent... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.