>>55651878You don't create a loop at all, the time travel is between timelines set in the past and the future, there's no time travel happening in a single timeline at any point of the game.
>inb4 but the professorThe AI doesn't know about us until we pick their dragon despite having the same memories as the real professor. The real professor also never lost their treasured childhood book in the crystal pond and never got to know for sure they were in Kitakami.
The professor from The Indigo Disk is of another world, not our world's past, and our professor meet another world's child, not us.