Comprehensive Comics, Golden Finger Is the Complete Solution to the Textbook?

Main world comprehensive comic + multi-world travel Don't complain about the golden finger problem, there will be an explanation later There are still many blocking points in the early stage, so try to endure it. I will become stronger. I have become stronger. Not all the heroines in a series may join, so try to write the characters that appear in more detail. Because some characters have conflicting backgrounds, one character often involves another. There is mild OC. I hope everyone can find their own happiness in this book!