Well, 'op' usually means 'overpowered' in fanfic terms. So 'percy is op fanfic' might be a fan - created story where the character Percy is depicted as being extremely powerful. Maybe he has extraordinary abilities, like super strength, or the ability to control elements in a way that makes him stand out compared to other characters in the story's universe.
Well, one of the main themes is the relationship between the normal and the abnormal. The novel uses the presence of supernatural elements to highlight how the characters deal with things that are out of the ordinary. It's about how they adapt and change in the face of these strange phenomena.
Araragi Koyomi is one of the main characters. He is a high school student who has had an encounter with a vampire, which gives him some unusual abilities. Senjougahara Hitagi is also a main character, known for her complex personality.
I'm not sure about the popularity of this specific visual novel. There are a lot of visual novels out there, and while 'bakemonogatari' as a series has a following, the 'netorare' aspect might be a more niche or polarizing factor that could affect its overall popularity.
It's mainly about various supernatural and strange stories. The characters often encounter and deal with different apparitions and odd phenomena. It has complex character relationships and deep, often philosophical, dialogues.
It depends on personal preference. The anime has the advantage of bringing the story to life with animation, voice acting, and music. You can see the unique art style and character designs in motion. However, the light novel allows for a more in - depth exploration of the characters' thoughts and the story's details. You can take your time to really understand the nuances of the plot.