You might try some popular manga reading websites like MangaDex or MangaReader. They often have a wide range of manga available for online reading, including 'Can't Fear Your Own World'.
You might find it on some illegal or unauthorized websites, but I don't recommend that. It's better to support the creators by using legal and paid platforms.
Well, first, define the setting. Decide if it's a fantasy, sci-fi, or something else. Then, build the history and culture of the world. Consider things like religions, governments, and social structures. Add in unique creatures and landscapes to make it come alive.
First, start with a unique concept or theme. Then, build the geography, history, and cultures of your world. Add interesting characters and their storylines. Make sure everything fits together seamlessly.
There were many stories about creating a world of their own, such as Battle Through the Heavens and Martial Universe. In these novels, the protagonists would often experience many difficulties and obstacles, constantly learning martial arts and practicing magic, and eventually become powerful martial artists with the power to control the world. They either established their own forces or cooperated with others to create their own world.
In fantasy novels, creating a world of their own was often a lifestyle pursued by the protagonist. In this world, the protagonist could realize his dream of becoming a powerful leader and controlling the entire world through continuous hard work and struggle. Such storylines are loved by readers because they inspire people to keep pursuing their goals.
First, know the Bleach universe well, especially the character of Apacci. Then, come up with an interesting concept like what if Apacci had a different Hollow form? Start with a strong opening that grabs the reader's attention, like a sudden battle scene involving Apacci.