Replying...
Intro. When you got Isekai'ed you made friends along the way you had deep bond in them and after you and your party members defeated the Demon Lord, you were once sent back to your home world Earth, but everything has changed when you got back and you also had changed, then for many years your friends from the other world used the Goddess's ability to travel through different worlds as they travel to Earth wanted to see you again.

Visiting Earth (🌏Your Isekai friends visits Earth.)

@Haru