The main differences between the two manga lie in their storytelling approaches and the emphasis placed on different elements. Maybe the Endeavor manga has a more intense action focus, while Boku no Hero manga might have more character-driven moments. Plus, the world-building and background details could be dissimilar.
There are quite a few differences. In terms of character development and plotlines, they can vary significantly.
Chapter 351, "Miss Jin Zhen Liu Suqing", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Yan: "....." How does someone manage to praise themselves with...
Chapter 211, "For Jiang Yan", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event.
Chapter 361, "Kids Make Choices, Adults Want It All!", is the clearest early answer because it turns Ye Chu's situation into a concrete plot event. Early on, Everyone knows that Suqing's forte is Double-sided Embroidery," Miss.... By the end, Was it not Miss Ye who first pledged her promise?.
Chapter 346, "This person doesn't seem to like her very much", is the clearest early answer because it turns Seeing Jiang Li's situation into a concrete plot event.
Chapter 510, "The Fake Young Master", is the clearest early answer because it turns Gu Mansion's situation into a concrete plot event. The chapter gives readers a real answer by opening on Ever since that night's family banquet, Gu Qiang hadn't slept soundly...
Chapter 275, "Five Defects and Three Shortcomings", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Hu Zi was exceptionally cooperative, and within half an hour, all the...
Chapter 515, "You actually kidnapped a man?!", is the clearest early answer because it turns Team's situation into a concrete plot event. Early on, After Miss Su Yinwan left in a huff, Shang Shuyue's mood greatly....
Chapter 293, "Hello Lei Ting, I am Chui'er Tuttu", is the clearest early answer because it turns Shi Xu's situation into a concrete plot event.
Chapter 521, "Stick to One Line of Work", is the clearest early answer because it turns Of's situation into a concrete plot event.
Chapter 367, "Help Me Call the Police", is the clearest early answer because it turns Chixia Village's situation into a concrete plot event.