Another possibility is that in the world where Goku Black comes from, there is an enemy who follows Goku Black to Izuku's world. This enemy could be a powerful Saiyan or a being with a dark ki similar to Goku Black. They might see Izuku as a weakness in Goku Black's plan and try to eliminate him first, making them the main antagonist in the fanfiction.
Chapter 935, "Gu Pansheng's Grace [Extras: Protagonist's Edition]", is the clearest early answer because it turns Mom's situation into a concrete plot event. It opens with I sat on the sofa, seriously saying, "Little sisters are so adorable. and closes on I widened my eyes to her..
Look to Chapter 8 for the clearest answer. It begins with The resentment that had barely calmed among the crowd surged back two..., keeps building through Some of them were relatives of the Jiang Family, who felt it improper to..., and lands on Other people with a handsome and charming appearance.
Chapter 584, "The Wealthy Young Master Renounces Worldly Life for Love", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with There wasn't a mirror on the small boat.
Chapter 714, "I'm Using Voice Input", is the clearest early answer because it turns Ming Yu's situation into a concrete plot event. Early on, Jiang Li looked at Jiang Mingyu, who appeared deeply hurt, and.... By the end, The person was sending her baffling messages and even called to....
Chapter 670, "Sister Will Support You", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Li, sensing that something might have gone wrong, quickly used...
Chapter 588, "Looking like this, he must be a male model in a bar!", is the clearest early answer because it turns Sister Bai Lu's situation into a concrete plot event.
The best chapter pointer here is Chapter 2, "What Kind of In-laws Are They?". It opens with On the top floor of the Financial Building, a gathering of dark clouds... and closes on Jiang, Lin Manru, turned pale and quickly explained, "It's not eloping, my....
Chapter 763, "It must be Jiang Li who tied her up!", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event. It opens with But within a short time, she sensed that something was off.
Chapter 769, "Su Yinwan Gets into Trouble!", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event.
Chapter 702, "This is One Hundred Million, Sign Here!", is the clearest early answer because it turns Wu Daoshan's situation into a concrete plot event. It opens with Bai Lu was at a loss for words. and closes on People passing by the office also heard the considerable noise..