Maybe Hermione has lost someone dear to her, like a family member back in the Muggle world. Mrs Weasley notices Hermione's sadness and takes her to the Burrow. There, she cooks Hermione's favorite meals, tucks her into a cozy bed, and stays up all night talking to her. She shares stories of when she lost loved ones and how she coped, which gives Hermione the strength to move forward.
One scenario could be that Hermione is being bullied by some pure - blood supremacists at Hogwarts for being a Muggle - born. Mrs Weasley, who has always been inclusive, finds Hermione crying in the library. She sits down with her, hugs her tightly, and tells her that her blood status doesn't define her worth. Mrs Weasley might also offer to teach Hermione some of the Weasley family's special spells to make her feel more confident.
In a fanfiction scenario, Hermione could be having a difficult time during her final exams at Hogwarts. The stress is getting to her and she's on the verge of a breakdown. Mrs Weasley, who has seen her own children go through similar situations, steps in. She makes Hermione a warm cup of cocoa, sits her down in front of the fireplace, and gently encourages her. Mrs Weasley tells Hermione that she's brilliant and that she just needs to take a deep breath and believe in herself.
One scenario could be that Harry has a nightmare about Voldemort. Mrs Weasley finds him trembling and she sits by his side, wraps him in a warm quilt and tells him that he is safe now, that he's part of their family and they will protect him no matter what. She might make him a warm cup of cocoa as well.
I'm not sure of a specific 'Mrs Weasley comforts Hermione' fanfiction off - hand. However, you could try looking on Archive of Our Own (AO3). There are often many well - written fanfics in the Harry Potter fandom. Maybe in one fic, Hermione has a fight with Ron or Harry and Mrs Weasley, being the kind - hearted woman she is, takes Hermione under her wing and offers her some words of wisdom and a warm cup of tea to soothe her.
One possible fanfiction could be 'Bill's Solace'. In this story, Hermione uses her vast knowledge and warm heart to comfort Bill after he endures a particularly difficult encounter with the dark forces. She might bring him books on magical healing, both for physical and mental wounds, and they sit together in the Burrow's garden, Hermione softly reading passages that offer hope and strength.
One scenario could be that Hermione is feeling out of place among the Weasleys due to her Muggle - born status. Bill, being the eldest and more worldly Weasley, might comfort her by sharing his own experiences of dealing with different cultures during his work with Gringotts. He could remind her that her intelligence and magical ability are what truly matter in the wizarding world.
Perhaps Hermione confronts Ron about his lack of commitment to their friendship or to their studies. In the fanfiction, she might be tired of always having to push him to do better and finally snaps at him. For example, she could bring up all the times he's slacked off during group projects or when they were preparing for exams.
It could be that Twilight has faced some sort of rejection from her peers in the magic community. Celestia would then comfort her by emphasizing Twilight's unique talents and abilities. She would remind Twilight that she was chosen for a reason and that those who don't see her value are missing out.
In some fanfictions, after Hermione has a bad encounter with some Slytherins who are bullying her for being a Muggle - born, Charlie comes to her rescue. He takes her to the Forbidden Forest (not too far in, of course) and shows her the beauty of the magical creatures there. This act of kindness and sharing his love for magical beasts comforts Hermione. It gives her a new perspective and makes her feel safe and valued.
In a more dangerous situation, like after a particularly scary encounter with a dark wizard. Remus would be there to comfort Hermione. He'd hold her trembling hands and assure her that she's safe now. He'd remind her of all the times she's been brave and how she's a crucial part of their fight against the dark forces.
Character development is key. Bill should be shown as more than just a tough Auror. He has his vulnerable side. Hermione, on the other hand, should display her growth in empathy. In a good fanfic, they might start as just acquaintances but through the process of Hermione comforting Bill, they develop a deeper bond, like a sibling - like relationship or even a close friendship. The story could also incorporate elements of the wizarding world, like using potions or spells to aid in the comforting process. For instance, a calming draught could be part of the story, and Hermione could brew it for Bill.
Often, Bill uses words of affirmation. He might tell Hermione how brilliant she is, especially when she doubts herself. For instance, if she fails at a spell, Bill would say that even the greatest wizards have off days and her overall knowledge far surpasses such a small setback.