Time Travel: the Bookstore Manager Is Invincible

My name is Ye Liangchen, and I traveled to a different world inexplicably! Become a bookstore owner. It comes with a bookstore system, and every book can help people improve their cultivation. You can get invincible skills with just one look. Unparalleled within the scope of the bookstore! It's a pity that the unscrupulous system deceived me and forced me to change my name to Zongzi! Let's see how ordinary people from Earth dominate another world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.