I Became the Lord of Destiny

Chu Tiantian felt very bad. He had bad luck, had nothing, and was not even a protagonist. Fortunately, he has a luck system that allows him to look like the protagonist. What he didn't expect was that the real child of destiny, the original protagonist of this world, was actually in his class! Looking at how others practiced and what talents and skills they had, Chu Tiantian suffered tons of damage from comparison after comparison. "This person must not be an enemy. We must find a way to make friends with him." Wait, why am I a supporting character?