Rebirth from Line Manager to Boss

In 2006, at the age of 19, the first year after graduation, he was reborn. At this time, he was just a factory worker, still earning a meager salary on the production line. ……… The story is probably about a reborn person, taking advantage of some of the information he knows about future generations, and then slowly changing himself. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.