Generally speaking, you won't find nudity in Lady Death comics. The comic's appeal lies in its plot and artistic style rather than resorting to nudity for effect.
Lady Death Lemon could be an original character created for this fanfiction. She might be a powerful being with a connection to death or the afterlife in some way, perhaps having powers related to life - force or the passage of souls, which would be really interesting in the context of the Harry Potter universe.
One idea could be that Lady Death, being a powerful entity from another realm, senses Naruto's strong will and unique chakra. She decides to visit the Naruto universe to observe him closely. Naruto, initially confused by her presence, soon realizes she has knowledge that could help him become even stronger. They form an unlikely alliance where Naruto learns new skills from Lady Death, which he then uses to protect his village in a new and unexpected way.
It's a dark and often edgy graphic novel. It typically involves themes of death, the afterlife, and a female protagonist named Lady Death. She is often in a battle against various forces of evil or chaos.
In a fanfiction, their interaction could start with Lady Death being drawn to Naruto's strong spirit. She might appear to Naruto in a form that he can understand, like a beautiful but mysterious woman. They could engage in philosophical discussions about life and death. Naruto, with his experiences of losing loved ones, could offer a different perspective to Lady Death. And Lady Death could share her ancient knowledge with Naruto, which could help him in his battles and his journey to bring peace to his world. This interaction could also lead to a romantic sub - plot, where their differences attract them to each other in a very unique way.