I'm not sure as I haven't read it. But they could be survivors in a dangerous world, perhaps a strong - willed protagonist and their comrades.
Kasumi and Ryu Hayabusa are quite popular.
Kasumi is often a popular choice. Her status as a main character in the 'Dead or Alive' series and her unique ninja - like fighting style make her interesting to incorporate into crossovers. She can bring an element of mystery and agility.
The main male character is Shido Itsuka. He plays a crucial role as he is the one who interacts with the Spirits. There are also various female Spirits who are important characters, like Tohka Yatogami.
Since we don't have a lot of details, the main characters could be diverse. They might be a group of survivors that include a brave leader, a smart scientist, and a kind - hearted helper. In a visual novel, these characters would have different personalities and backstories that would play a role in how the story unfolds in relation to their survival.
I'm sorry, without reading the 'Sexiest Man Alive Novel', I can't determine who the main characters are. It could be the sexiest man himself, of course, and perhaps a love interest or a rival.
There might be a love interest in the story. This character could play an important role in the development of the main character's story, perhaps adding to the complexity of her life and the decisions she has to make.
There are several characters still alive. Rick Grimes is one of them. He's been through a lot but managed to survive.
There are several characters still alive. Some of the notable ones include Rick Grimes and Carl Grimes.
Some less obvious choices could be Kurenai. Her experience and calm nature could contrast well with Naruto's more energetic personality. Also, Konan could be included. Her skills and backstory could make for an interesting relationship with Naruto within the context of a harem, and she has a certain allure that would fit in well.
I'm not entirely sure as there could be many different versions of this fanfiction. However, it's common to have a protagonist who is in search of love or has a unique relationship with the concept of love being alive.