I Just Wanted to Show Off but Signed to Become the Immortal Emperor

At the beginning, he was picked up by the stunning master and brought back to the sect. He awakened the most powerful sign-in system and became stronger by lying down! Who said salted fish can't become an immortal emperor? When all the geniuses in the world of immortality are crazy about his appearance and strength, someone just wants to say - I really just want to show off!