At the Beginning of Hogwarts, I Pretended to Be an Immortal!

After failing to travel through the world of Xianxia, ​​Xia Li opened his eyes and found that he was studying in an unknown kindergarten controlled by a school director at Hogwarts. Faced with a system that constantly releases missions to cultivate immortality, Xia Li has no choice but to deceive the system and pretend to cultivate immortality. [Today you met a fairy who was traveling in the mountains on the road. You have to find a way to get the supreme magic in her hands! Charlie looked at the "Mysteries of Arithmetic" in the hands of his childhood sweetheart Hermione. "Friend, can you lend me a book?" Hermione put the book into Charlie's hands in confusion. "The book is for you..." [Congratulations on getting the supreme mystical skill from the fairy without even using a sword or a shot! Xia Li: ... So this is the Supreme Mysterious Kung?