I became an omega after a fake marriage

Ji Yun is a Beta, but he has an Omega-like delicate appearance and an Alpha-like outstanding ability.After returning to China, Ji Yun ran into his high school friend Gu Kaizhi on the road, and Ji Yun was shocked!What was even more unexpected to him was that Gu Kaizhi, who hadn't contacted him for many years, actually said to him after seeing him: Let's get married.Ji Yun:? ? ?But looking at Gu Kaizhi who was cold and stiff outside, he looked weak, helpless and pitiful in front of him Ji Yun: All right.However, after marriage, things got even more wrong!Why did he transgender into an Omega?Why does Gu Kai know so damn good? ?The most frightening thing is, why does he sometimes want to sleep with Gu Kaizhi in his arms? ! !Gu Kaizhi looked at the tangled person next to the pillow, and smiled slightly: Early to bed and early to rise is good for your health.Emotional changes: shou to gong: friend - sleepy - want to chase - like gong to shou: like - like - like - super like ! ! !Content tags: Child-bearing fantasy space with a soft spot for sweet text┃ Search keywords: Protagonist: Ji Yun, Gu Kaizhi┃ Supporting role: Serial "The System Forces Me to Hold the School Grass Thigh"