Fairy and Demon Gift Pack

I traveled through time and became a young boy, with a group of pretty girls waiting for me. Li Longqing traveled through time and became an old man half a century old, already full of children and grandchildren. Marriage and the tasks of raising children have been completed, and Li Longqing only needs to live a spontaneous life for himself. A mysterious gift bag led him into a world where fairies, demons and demons existed. In this wonderful world, will Li Longqing continue to be an otaku or a otaku fairy?