Feel Confident (Rebirth)

Jun Tianheng failed to ascend, and when he opened his eyes, he returned to a thousand years ago. Returning to the self who had just transformed from the noble Crown Prince in the mortal world to the humblest slave in the 'immortal' world. And the living person. The guy who secretly tried his best to protect him for the rest of his life. Whatever. In this life, just be nice to that person. Ps. The main attack seems to be gentle and kind, but in fact is cold and ruthless. The yandere beauty attacks x the false shadow guard, the true devil, the supreme arrogant mad dog sufferer Ghost. A sickly petite x an arrogant and mad dog, an old trope + a scary character, -_-||Caution Purpose: Go back to the past and make up for the regrets