In most cases, the 'Don't Bully Me, Nagatoro' hentai comic isn't a precise adaptation. It often deviates greatly to incorporate explicit elements that aren't in line with the original concept.
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.
Yes, the Nagatoro manga has ended. It might have left fans with a mix of emotions, but it provided a definitive conclusion to the tale that had been unfolding.
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.