Perhaps it's to show a power dynamic or to explore different kinds of relationships. The reason can vary depending on the overall theme and message the cartoon is trying to convey.
It could be part of a fantasy or role-playing scenario. Sometimes, such situations are used to add excitement and unpredictability to the cartoon.
There could be various stories like this. One might be in a fictional horror scenario where an evil FFM (assuming it stands for something like a group or entity) captures a man. They tie him up to restrict his movement, tease him with false hopes of freedom or by taunting him about his fate, and torment him both physically and mentally perhaps through threats or small acts of violence.
FFM could stand for three female characters. In some fictional tales, three women might tie up a man who has betrayed them in love. They tease him about his past actions and torment him emotionally by reminding him of all the pain he has caused them.
It could be part of a fictional storyline or for some comical purpose. But it really depends on the specific context of the cartoon.
It could be for some kind of comedic or adventurous purpose. Or perhaps it's related to a mystery or thriller plot.
The plot you provided is not the beginning of a novel. If you want to write a novel, I suggest you provide some more specific plot and background so that I can give you better suggestions and name choices.
A few novels to recommend: " The Movie World Begins as a Chef ". The author was a jade cat on a tree. Ordinary social animals had to travel through different worlds. There were short stories about their families, but some people could not stand the protagonist harming their family treasures. "Demon! How dare you break my master's Dao heart! The valley is leisurely, the river crab wrote the fantasy of immortal cultivation. The male protagonist traveled through the immortal cultivation world to obtain a cheat, but was led by the "old grandpa" to become a demon who was hacked to death. The female protagonist traveled back a thousand years to kill the demon. The story was interesting. The main characters encountered people like Xiao Yan, the golden finger cultivation simulator was extremely magical, and there was also Chu Manzhi who had a distinct personality. Although the story progressed slowly, her style was relaxed and humorous. Her recommendation index was four stars. " Atypical Door God " was written by Two Dreams a Day about sports and football. The older rookie Qin Lang had compound eyes as a goalkeeper. He was a special and non-typical goalkeeper. His golden fingers were moderate, but he was still a football elite. " Douluo: Ant Power Breaks the Sky " was a fanboy novel created by Little Bear Throwing Stones. The main character was an orphan who had lived two lives and was proud and aloof. He didn't have the usual cheat settings. 'Martial Arts Grandmaster: My Aptitude Is All Based on the Cultivation Method Stack'. I'm going to slowly write about the fantasy world. Yang Can transmigrated to a dangerous world and relied on searching for cultivation techniques to increase his aptitude. In the end, he became the strongest martial arts grandmaster. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Maybe he was caught by the villains. That's a common reason in cartoons.
Maybe it was part of a dramatic storyline to create tension and suspense.
Often in cartoons, such a scene is used to introduce a heroic rescue or as a symbol of danger. It might also be a way to showcase the villain's evil intentions and the potential for a thrilling resolution.
This is an inappropriate and potentially unethical or illegal situation. It's not something that should be normalized or discussed lightly.