God Rewards Those Who Work Hard. in the Beginning, the Princess Comes to Ask for Medicine.

There are immortals in this world! After traveling for more than ten years, the world begins to collapse. Chen Yuan, who became a horse-raising slave, seized the opportunity to take the entrance examination of the Immortal Sect. Chen Yuan, who was found to have spiritual talent, successfully joined the Immortal Sect. The Tiandao Reward System was successfully activated... Looking at the belated arrival of the system, Chen Yuan cursed angrily, but the corners of his mouth curled up unconsciously. After entering the Immortal Sect, Chen Yuan jumped from a humble servant to a noble alchemist. In the past, the arrogant and arrogant princess knocked on his door and asked humbly for medicine. What reward should he ask for? Chen Yuan looked at the princess's stunning face and perfect figure with bulging front and back...