It could also be that Ron has made a bet or a promise to someone regarding Hermione. He feels obligated to stay close to her all the time in order to keep his word, even if it annoys Hermione at times.
One possible reason could be that Ron has deep - seated feelings for Hermione that he's not fully aware of yet. In the story, he might be subconsciously drawn to her and thus won't leave her alone.
Maybe in the fanfiction's universe, Ron has a mission or a task that is related to Hermione, and he needs to be constantly around her to fulfill it. For example, he could be protecting her from some hidden danger.
Look to Chapter 1 for the clearest answer. It begins with Jiang Li, I'm warning you, don't set your sights on Yinwan anymore, or..., keeps building through Following a bout of tinnitus, she struggled to open her eyes and finally..., and lands on Yet before she had the chance to teach her a lesson.
If you want the clearest chapter reference, go to Chapter 5. Early on, Actually, when Manager Fang saw Jiang Li, he was somewhat surprised.; later, the chapter leans on Because she was really too beautiful, and very young, completely different....
Chapter 746, "They Are Each Other's", is the clearest early answer because it turns Legal University's situation into a concrete plot event. Early on, The fervor in that young man's eyes was something she would never....
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 19 is the strongest chapter-level answer because it starts from What criminal law is this or that, this was originally none of your... and follows through on Please give me Miss Su's birthdate." Mr..
Chapter 778, "The Gift of Being a Director", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter gives readers a real answer by opening on Shiguang, I really misjudged you, you're actually this kind of...
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...