I Traveled Through Time and Became a Portable Grandpa

I'm so miserable! Real! I didn't catch up when everyone traveled through time a few years ago... If others can time travel or have the system in hand, I have the world! Or be proficient in all kinds of poetry, lyrics and songs... A few years ago, I was given a portable grandpa... Why is it my turn! Have I become a portable grandpa? ! Grandpa is just a grandpa. How many people am I the grandfather of? … "Great Sage! Great Sage, walk slowly..." … "Fellow Taoist? Please stay..." … "Fairy, let's call ourselves fellow Taoists! I can't be your master..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.