Love is likely a main theme, as the title implies. It probably explores the relationship between characters where one is a vampire, and how love develops in such a situation.
Hot-blooded love anime usually referred to those works that were themed with combat and adventure, but also contained romantic elements. These cartoons often had intense emotional conflicts and intense battle scenes, while also showing the growth and adventure of the protagonist.
There were many types of hot-blooded love anime. Some were about the love triangle between the male and female protagonists, while others were about the battles and adventures of the protagonists in the form of group portraits. The characters that often appeared in anime, such as protagonists, villains, supporting roles, etc., all had their own unique personalities and characteristics that attracted the audience's love.
Hot-blooded romance anime could not only bring a visual impact to the audience, but it could also trigger the emotional resonance of the audience, allowing the audience to feel the difficulties and challenges that the protagonists had experienced and the joy of their final victory.
Hot-blooded romance comics usually referred to works that featured battles and adventures as the main plot, but also contained romantic elements. These animes were often filled with passion and tension. The protagonists grew up in the adventure and fought fiercely with various enemies. The love element was usually an indispensable part of these cartoons. The protagonists often encountered various fates in battle and began romantic love stories. Common hot-blooded romance comics included One Piece, Naruto, Reaper, Dragon Ball, and so on.
A third option could be 'Interview with the Vampire'. It delves deep into the vampire world and the relationships they form, especially the love and longing that vampires experience.
The snake bites girl story might involve a girl who lives in an area where snakes are common. One day, while she was doing her daily chores, like fetching water from a nearby stream, a snake hiding in the grass bit her. This could lead to a series of events such as her trying to get help, dealing with the pain and the fear of the snake's venom.
I'm not really sure specifically as it could be a rather unique or less - known visual novel. It might involve some sort of strange or dark theme given the 'maggot bites' part, but without more information, it's hard to say exactly.
In 'Eighth Grade Bites', a significant theme is the struggle for acceptance. The main character is likely trying to fit in both in the normal social world of eighth grade and in the new world of the bites or supernatural elements. Friendship is also a big theme. How the character's relationships with friends are affected by these new developments. And there's probably a theme of self - discovery, as they learn more about their own capabilities and limitations in this different reality.
In other stories, the main character might be a detective or a scientist. For example, a scientist who is studying a new species of venomous snake. He gets bitten during his research and then has to fight against the venom that is slowly taking over his body while also trying to figure out how to stop the snake from attacking more people. He becomes the central figure as he battles his own impending doom.
One 'bites scary story' could be about a strange bite mark on a person's neck that keeps getting deeper and more painful every night. They start having nightmares of a shadowy figure approaching them and then feeling a searing pain on their neck. It turns out to be a vampire - like creature from an old curse.