Well, a great Hanako x Yashiro fanfic is 'The Adventure Begins'. In this fanfic, Hanako and Yashiro embark on an adventure to solve a mystery in the school. It's filled with suspense and cute moments between them. 'The Secret Garden' is also a nice one. It shows a more private side of their relationship as they discover a hidden garden in the school grounds. And 'The Promise' is about the promises they make to each other during a difficult time.
You can start by looking on popular fanfic platforms like Archive of Our Own (AO3). Just use the search terms 'Hanako x Yashiro' and it should bring up a bunch of relevant fanfics. Another option is Fanfiction.net, though the selection might be a bit different. You can also check out some Tumblr blogs dedicated to the fandom, as they sometimes share or recommend great Hanako x Yashiro fanfics.
Well, it depends on which version of the manga you're referring to. In some continuations or alternate storylines, Hanako might not die. But in the main canon, unfortunately, Hanako does meet his end.
There's also 'Yashiro x Satoru: Hidden Feelings'. This fanfic focuses on the more subtle aspects of their relationship. It's a slow - burn story where the tension between them gradually builds up, and the way their feelings are revealed is both heart - warming and exciting.
A great female Yashiro fanfic usually has an engaging plot. It could be a story about her solving a mystery in a haunted mansion or her journey to a far - away land to save her friends. The plot should keep the readers hooked from the start to the finish. Also, the writing style matters. If it has vivid descriptions of the settings and emotions, it makes the fanfic more immersive. For instance, when describing the spooky atmosphere of a place where Yashiro is, it can really draw the reader into the story.