I'm thinking about something similar, which I'm currently working on implementing: a "recruit" system.
That's a good idea too! But I've already thought about the story, and I think it would be difficult to add it at this point.I'd have to do a lot of work and modify the game's events. What I'm adding now is a "mini friendship system." I invite you to join my Patreon (it's free) to see more updates and polls hehe.