Sister-In-Law, Please Respect Yourself, I Just Want to Add Some Upgrades

Ruan Yu became a frail young man in another world. There was no news from his father, and his eldest brother was missing and his life and death were unknown. Only he and his beautiful sister-in-law were left to depend on each other. However, being weak is the original sin. Clan relatives and gangster Ruan Yu are eyeing him, eager to eat his flesh, drink his blood, sleep on his skin, and squeeze the weak Ruan Yu to pieces! The gangster Ruan Yu even forced his beautiful sister-in-law to commit herself to him! The sister-in-law was frightened and unwilling to give in. Ruan Yu's fists were trembling and his eyes were red, but he could do nothing! Fortunately, by awakening the root organ of opinion and desire, and accumulating the power of Qi and blood, I can overcome unlimited obstacles! From [Feiyun Fist] to [Bahuang Tianzhen Fist], from [Feiyun Step] to [Immortal Golden Body]! Ruan Yu walked towards the highest step by step and paid back everything he suffered! ~~ Many years later. The sister-in-law was holding the delicious meal that had just been prepared, and her soft lips lightly opened: "Xiao Yu, you are not young anymore. It is time to think about life-long events. What do you think~" Damn, something doesn't seem right about this situation, hey!