In many cases, it is legal to read manhwa online if it's from authorized and legitimate platforms. But reading from unauthorized or pirated sources is illegal.
Another must-read manhwa in 2020 was 'The God of High School'. It combined exciting battles with a compelling narrative. The diverse characters and their growth throughout the story made it a standout.
It could lead to some self - awareness. Yuri might become more confident if he reads fanfictions that focus on his growth. Viktor could get new ideas for his coaching. Overall, it might strengthen their relationships as they see how fans view their bond.
You can try some fanfiction websites like Archive of Our Own (AO3). It has a large collection of various fanfictions, including yuri ones. Just use the search function to find what you're interested in.