I Can Control Friction

Zhang Han traveled through time, and traveled to a place a thousand years later where a powerful person could practice superpowers. It's just that other people's abilities look pretty normal. But his special power is to control friction... "What is the use of controlling friction?" "Then can you name anything that doesn't require the use of friction?" "... It seems not." "What do you think of the ability to control friction?" "Awesome!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.