Versatile Mage: Possessed by the Black Snake at the beginning

Tang Jinxing, who jumped into the water to save others, accidentally drowned in the water. After traveling through time, he became Tang Yue's younger brother, and the first step was to awaken the summoning system. It's just that he found that his summoning system was a bit strange. His summoning system can't summon creatures? Instead, it is similar to sage mode, receiving magic. In other words, my summoning system is all possession style? Sign a contract with the demon and obtain the demon's body and abilities. With the totem black snake, bravely brave the disasters in Bo City. Yi Canglang: Brother Xuan She, I really didn’t know that Bo City was also your territory. Salan: Who can tell me where this snake came from? Tang Jinxing: Instructor Zhankong, you know, my summoning system is a bit weird... [Do not dismantle Fan Muye CP] [Full-time mage internal plug-in] [Multiple demon possessions]...