There's 'A Twist in Time' which is a really interesting piece of fanfiction. It features John Hurt as an old acquaintance of Sherlock's family. This story has a lot of plot twists and turns, and it keeps you on the edge of your seat as it explores the relationship between Hurt's character and Sherlock in a whole new light.
A really interesting 'hurt John Sherlock fanfiction' is 'Silent Sufferings'. In this piece, John is suffering from an illness that he hides from Sherlock at first. Sherlock gradually notices something is wrong and the story unfolds with a lot of emotional turmoil. It's really engaging as it shows how their relationship is tested by John's hidden pain and Sherlock's attempts to figure it out.
Another one is 'When Sherlock Hurts' which is a series of short stories. Each story focuses on a different instance where Sherlock is either physically injured or emotionally damaged. The author does a great job of portraying his struggle and the way he tries to hide it from others.
One great Sherlock hurt fanfiction is 'The Wounded Detective's Redemption'. It delves deep into Sherlock's emotional turmoil after a particularly harrowing case that left him physically and mentally hurt. The author does an amazing job of exploring his relationships with Watson and others during his recovery.
There is a fanfiction named 'Dangerous Discoveries'. Sherlock and John are on a case in an old factory. They accidentally set off an old security system that releases some noxious gas. John inhales a bit too much and starts to choke. Sherlock, trying to find a way out, gets cut by some sharp machinery parts. Their survival instincts and mutual care are depicted well in this story.
One great sherlock and john fanfiction is 'A Study in Pink Roses'. It offers a unique take on their relationship, with beautifully written interactions. Another is 'The Baker Street Chronicles' which delves deep into their adventures and the emotional bond between them. And 'Sherlock's Heart' is also quite popular, it shows a more vulnerable side of Sherlock and how John is there for him.
One possible fanfiction could be 'The Unforeseen Danger'. In this story, Sherlock and John are on a case chasing a serial killer. While investigating an abandoned building, they are ambushed. John gets stabbed while trying to protect Sherlock, and Sherlock, in his rage to save John, gets a severe blow to the head. But their strong bond helps them get through the ordeal.
One popular sherlock x john fanfiction is 'A Study in Emerald'. It weaves an interesting alternate universe where Holmes and Watson are in a different setting with a touch of the supernatural. It has great character development and a captivating plot that keeps readers hooked.
I've read 'Sherlock's Hidden Affections' which is a wonderful sherlock and john lemon fanfiction. It starts with Sherlock realizing his feelings for John in a rather unexpected way. The story then unfolds as he tries to come to terms with these new emotions. It's filled with great dialogue and tender moments between the two. Another one that stands out is 'John's Discovery'. In this, John discovers Sherlock's true feelings and how they both navigate this new territory in their relationship, and it's beautifully written.
I'm not sure of a specific 'John kisses Sherlock fanfiction' title off the top of my head, but you can try looking on Archive of Our Own (AO3). It has a huge collection of fanfictions related to this pairing. You can search for the 'John/Sherlock' relationship tag and then narrow it down by looking for fics that involve a kiss between them. There are many talented authors on that platform who write engaging stories about their relationship.
One great Sherlock John kiss fanfiction is 'A Study in Kisses'. It beautifully portrays the growing relationship between Sherlock and John, with a really sweet and passionate kiss scene that feels very in - character. Another one is 'The Kiss that Changed Everything'. This fic focuses on how a single kiss can shift the dynamic between the two characters in a very interesting way.