The Sk8 the Infinity manga has indeed finished. It provided a satisfying conclusion to the characters' arcs and the overall storyline. However, fans still discuss and re-read it for the great moments.
Definitely. The anime Sk8 the Infinity originated from a manga. The anime adaptation tries to stay true to the key elements and storylines presented in the manga.
My answer was not accurate. In online novels, SK usually referred to the music group Ska. They were a Japanese music group founded in 2003. Their songs had a wide variety of styles, including pop, rock, electronic, etc. They were very well-known and influential in Japan and around the world.
Another theme is her self - discovery. In the show, Sugar had her own insecurities and dreams. Fanfiction may focus on her journey to find herself, whether it's through her singing or her personal growth. For example, she might overcome her fear of not being good enough. This can be a really inspiring theme in many of the stories.