Giyu survives in the manga. The plot doesn't lead to his death. His character has many adventures and developments that keep him alive and active in the story.
For sharing fanart on deviantart, first, create high - quality art. Then, sign up for an account on deviantart. After that, find the 'Upload' button on the site. Fill in details like the title, description, and relevant tags. Make sure to credit any original sources if your fanart is based on something else.
Their relationship can be developed through shared experiences. For example, if they both get injured in a battle and have to rely on each other for survival while waiting for help. This would force them to open up and communicate more, breaking down Giyu's usual stoic exterior and allowing Shinobu to see a more vulnerable side of him.
A plot could revolve around a mystery illness that is affecting the Demon Slayer Corps. Shinobu, being the expert on poisons and medicine, tries to find a cure. Giyu gets involved when he discovers that some of his comrades are showing symptoms. Together, they suspect that a new type of demon or a hidden enemy within the corps is causing this. They have to investigate, and during this process, they face many challenges and also grow closer as they share their concerns and ideas.
Yes, it's possible. You could also reach out to individual artists you admire. Check out platforms like DeviantArt or Tumblr. Look for artists whose style might match your story's vibe. Send them a polite message explaining your story and ask if they'd be interested in creating fanart. Just be prepared that they might be busy with their own projects.