Here are instructions for setting up the scientist civilian NPCs:

1. Place Missing Rain in a hidden place
2. Place Lead Scientist Rain in an office in a science lab place.
3. Place Scientist Twig in a lab close to but preferably out of visual sight of Lead Scientist Rain.
4. Place Note from Rain on a desk in Lead Scientist Rain's office.
5. Save and go into devkit.
6. Place down a spawnpoint from the same menu as you would place a kill volume, effect volume or landscape hole, etc.
7. Select it and move it to infront or next to Lead Scientist Rain.
8. With it selected, open inspector.
9. Under ID click on it and enter 20628, press enter.
10. Make sure to save the changes.
11. Test the quest, make sure the teleport works when you press on the Let's go reply.