Swallowing the Starry Sky, Why Am I Becoming Lu Gang?

Lu Gang, whose real name is Lu Gang. A current high school student. I fell asleep watching the Swallowing Stars anime at home. As a result, he found himself in a world that swallowed the stars, which made him confused. That's it, let's make peace with it as it comes. Wait, wait, I actually traveled through time and became Lu Gang. Isn't this time travel and death? I want to change my destiny. Show up system. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.