I'm not entirely sure specifically who Zak Monday and Zak Saturday are in the context of yaoi fanfiction. It could be characters created by a particular author or within a specific fan community. They might have unique personalities and relationships that are explored in the yaoi stories.
The Visual Novel Tool has a great feature of character customization. You can create unique characters with different appearances, personalities and dialogues. Also, it offers a wide range of templates for different story genres, which is very helpful for beginners.
One key element could be the location. His stories often take place in very old, dilapidated buildings which are known for their haunted reputations. Another element is the use of paranormal investigation tools. When these tools act strangely, it adds to the mystery of the story.
You can try fanfiction websites such as Archive of Our Own (AO3). It has a large collection of fan - made stories from various fandoms, and there's a good chance you'll find some zak monday x zak saturday fanfiction there.
One great story could be about Zak Monday and Zak Saturday teaming up to solve a mystery that involves both their worlds. Maybe they have to stop an ancient evil that is threatening to destroy the balance between their respective realms.
One interesting handcuff fiction story could be about a detective who gets handcuffed by the criminal he is chasing but manages to outwit the criminal and turn the situation around. He uses his wits and knowledge of the surroundings to escape the handcuffs and catch the bad guy.
Another movie is 'Prisoners'. Handcuffs play a role in the context of the mystery and the police investigation. The use of handcuffs here is more about the power dynamics between the captors and the captives in a non - sexual, intense, and dramatic situation. It adds to the overall suspense and atmosphere of the movie.
The idea of Zak Saturday x Zak Monday as a pairing in yaoi fanfiction could be interesting because they might have contrasting personalities that can create great character dynamics. Maybe one is more reserved and the other more outgoing, leading to a lot of tension and interesting interactions.