I Travel Through Time in My Dreams, I Just Want to Sleep Peacefully

Ever since He Yu dreamed that he had obtained the system one night, he could no longer sleep peacefully. He will be forced into the mission world to perform tasks every night, and no matter how long he spends in the mission world, the reality is only one night. Can't complete the task or give up? I'm sorry, what awaits He Yu will be the most terrifying nightmare in the world. However, what is gratifying is that the knowledge brought from the mission world is also useful in the real world, and he will soon be grateful to the system... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.