One interesting plot could be them working together on a scientific project. Kusuke is a scientific genius and Kusuo has his psychic powers. They might combine their abilities to create something extraordinary, like a device that can enhance Kusuo's powers in a new way.
Another plot could be about them resolving their brotherly rivalry. They often have a competitive relationship. In the fanfiction, they could learn to understand each other better and support one another, for example, Kusuke realizing that Kusuo's powers also come with a lot of burdens and trying to be more empathetic.
Chapter 798, "How to Be a Dad? You Don't Even Care About Your Child!", is the clearest early answer because it turns Jiang Bufan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Bufan sniffed hard and took a step back.
Chapter 595, "Four-legged Black Toad", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li steadied himself with support, endured for a while, and then...
Chapter 804, "Still causing trouble?", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event. A useful checkpoint is the way the scene starts with He never imagined he would be scooped up like this!
If you want the clearest chapter reference, go to Chapter 17. Early on, Jiang Li glanced at Jiang Shixu, who was tense and anxious behind her, and...; later, the chapter leans on Okay, let's go eat." After speaking, she strode forward..
Chapter 773, "I am the Trainee Here", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Zhao Lang left not long ago when Jiang Li called Ji Yanbai over.
Chapter 886, "Stinky Beggar", is the clearest early answer because it turns Hey's situation into a concrete plot event. The chapter gives readers a real answer by opening on After speaking, Jiang Li stepped forward and said, "I'll treat this...
Chapter 694, "No Way Out", is the clearest early answer because it turns Chaotic Private Life's situation into a concrete plot event. It opens with The next day, these trending search terms suddenly popped up on...
Chapter 780, "There's Someone in Your Room!", is the clearest early answer because it turns Captain Xing Mingfei's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Sister Li was a bit confused. and follows through with How did you discover my presence?!.
Chapter 864, "What if he just wants to take revenge on you?", is the clearest early answer because it turns Red Bird Evil's situation into a concrete plot event. The chapter gives readers a real answer by opening on I did see the robbery star in your Life Plate.
Chapter 794, "Debut as a Group!", is the clearest early answer because it turns Jiang Yu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Everyone crowded around Shi Xu as he entered the living room.