Worlds' Gatekeeper

*Rewrite of World Gate Online* Lucas Lauwers, a newly graduated college student, finally got the first ever Virtual Dive Device, [Portal], after asking his parents for money. He enters the new world of [World Gate Online] in hopes of earning money, finding a girlfriend, and living an adventurer's life in a fantasy world!...Well, his wish has taken a turn in a weird direction when he was then suddenly transported to a completely different world! Using the [World Key], he is able to travel between worlds! Is this his good luck? Or his bad luck? Anyway, if anything wrong hapens, let's blame RNG-sama!