One way to develop Kyouka in Fairy Tail Kyouka Lemon Fanfic is by making her face moral dilemmas. For example, she might have to choose between saving a friend and following the guild's rules. This would test her values and make her think about what is truly important. Another aspect is her emotional development. If she falls in love, for instance, it would open up a whole new world of emotions for her. She would have to learn how to handle jealousy, happiness, and heartbreak. Also, her interactions with different species in the 'Fairy Tail' world, like dragons or spirits, could be a means of development. It would expose her to new cultures and ways of thinking, expanding her character.
I'm not really sure what you mean by 'kanao comics hentai'. It might refer to some adult-oriented or inappropriate content related to a particular character.
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.
Most BSD light novels often have complex characters. Since they are based on literary figures, they bring in the depth and complexity of those original personas. For example, a character might have the same traits as a famous writer but with a unique twist for the BSD universe.