The freedom to expand the story. 'Kiss him not me' has a great base, but fan fiction gives writers the chance to go beyond what was shown in the anime or manga. They can add new plotlines, like a new character coming into the group and causing chaos in the relationships, or they can focus on a specific event and really flesh it out in a way that the original didn't have time for.
There are some 'kiss him not me fan fiction' that focus on exploring the backstories of the male characters. For example, a fic could delve into how one of the guys became so interested in the protagonist in the first place, which gives more depth to their relationships.
Since I'm not familiar with 'kiss him no me light novel', it could potentially be a story centered around a female protagonist who is conflicted about her feelings towards a male character, which is represented by the 'kiss him no me' concept. Maybe it delves into her internal struggle between her emotions and her self - restraint.
As mentioned before, 'lemon' content is inappropriate, so I can't really discuss the characteristics in that regard. But in general 'kiss him not me' fanfiction, it often focuses on the romantic relationships between the characters, exploring different scenarios and emotions within the context of the anime's story and characters.
A 5x7 fanfiction for 'kiss him not me' might focus on a particular moment. For example, a 5x7 photo that holds a special memory for the characters. It could be a photo of a group outing, and in the fanfiction, the details of that day are explored, how the relationships between the characters developed based on that one moment captured in the 5x7 photo.
The ending of 'Kiss Him Not Me' manga ties up most of the storylines neatly. The main character finds love and resolution in a way that's satisfying for fans.
Common themes in 'kiss him not me yaoi fanfiction' include the characters' self - discovery. The male characters often discover their sexual orientation or their deeper feelings for another male character. There's also the theme of jealousy. When one character shows interest in another, it can lead to jealousy among other suitors or friends. And of course, the theme of love and attraction is central. The fanfictions tend to focus on how the characters are attracted to each other, both physically and emotionally, in a yaoi - based relationship.