Well, without having read the 'kanae no hoshi light novel', it's hard to say precisely. However, in general, light novels often feature young protagonists. So perhaps this one is about a young person named Kanae. It could be centered around their daily life, which might seem ordinary at first but then takes a turn into something extraordinary. It could include elements like school life, if it's a modern - setting story, or it could be a story about a Kanae who discovers a hidden power or a secret in a more fantastical world. There could be a host of supporting characters that help or hinder Kanae's progress, and various sub - plots that contribute to the overall story.
In the manga, Tanjiro and Kanao don't end up getting married. The story focuses more on their battles and character development rather than romantic pairings.
Tsukuji, Shinobu, and Masayoshi were the three main characters in the tennis prince. Their pairing was often referred to as "Shinobu Masayoshi" or "Shinobu Masayoshi" for short.
A possible tennis prince's fanboy is Atobe's gift. The story was about the emotional entanglement between Atobe and Masayuki, as well as Atobe's cruelty and ruthlessness towards Masayuki during the competition.
In this article, the three Sugawara Fuji, Shinobu, and Shinki all had strong strength and deep emotional backgrounds. Their pairing was often controversial. In the storyline, Atobe's cruelty and ruthlessness towards Makoto in the game made people feel heartbroken, and Makoto's feelings towards Atobe were also very complicated.
One great tanjiro and kanao fanfiction could be where they go on a journey together to find a rare herb for an ailing comrade. In this story, their relationship deepens as they face various obstacles in the forest.