Reincarnated into a alternate world with Rick Sanchez intellect, the MC lived in the alternate world for 20 years before being hunted down.Thus he created world jumping device.But things went wrong and he jumped to his first world Tron Legacy.
You can suggest different worlds, but please do start with easier worlds at the start.Also Harem is great possibility in this.
A World Jumper novel is a popular light novel covering Movies genres. Written by the Author Just_for_fun1997 . Read A World Jumper novel online for free.