Ten Years After Lying in Bed, I Secretly Became an Immortal by Refining Elixirs

Ten years after lying in bed, Li Changfeng was reduced from a direct disciple of Piaomiao Peak to an elixir boy. Unexpectedly, the elixir he had worked so hard to refine was actually eaten up by the goddess sister in the protective jade pendant. In response, the goddess sister said: "Why don't I just take a few pills from you? My sister will teach you how to become an immortal!" Li Changfeng immediately said, please increase your efforts! However, it seems that Sister Goddess is interested in more than just the elixir... But also me?