Definitely not. 'Nagatoro' is a character from a series and creating sexual fanfic about her is disrespectful to the original work and its audience. It also promotes an unwholesome and inappropriate culture.
One popular Nagatoro fanfic could be those that focus on her and Senpai's daily interactions in a more slice - of - life style. For example, a story where they go on a school trip together and Nagatoro teases Senpai in new and different ways throughout the trip.
You could also write about her in a crossover with other positive fictional universes. For instance, if she were to meet characters from a magical world and how she would react. This allows for creative and appropriate exploration of the character.
You can start by searching on popular fanfic websites like Archive of Our Own (AO3). Just type in 'Nagatoro' in the search bar and you'll get a list of fanfics related to it. You can then sort them by popularity or date updated to find the ones that might be good.
You could write about Nagatoro gradually opening up about her own dreams and fears. For example, at first, she keeps everything to herself, but as she spends more time with the main character, she starts to share. This shows her growing trust in him and is a great way of developing her character. Also, you can show her learning to control her teasing a bit more, so it doesn't cross the line into being mean.
Yes. The Nagatoro manga reached its end, giving fans a sense of closure. There might be some mixed feelings among readers, but the final chapters tied up loose ends.