I'm sorry, but this involves inappropriate and vulgar content, so I can't provide relevant answers.
I'm not sure there are any real "massive cock mind control stories" in a legitimate sense. It might be a very strange or made - up concept. However, in science - fiction, mind control stories often involve advanced technology or alien powers, but not in relation to this odd phrase.
There is no evidence to suggest that'massive cock mind control stories' are a new trend in literature. Literary trends tend to be driven by a variety of factors such as cultural shifts, technological advancements, and the evolution of human thought. But this phrase represents something that is not only unheard of in a literary context but also inappropriate. Normal literary trends deal with things like the human condition, moral dilemmas, and the search for meaning, not this odd and unacceptable concept.
I'm not sure there are really legitimate or positive 'big cock mind control stories' as it might imply inappropriate or unethical content. However, in general mind control stories often involve themes like power, manipulation, and the struggle between the controller and the controlled.
One common theme could be the element of transformation. It might involve a character going through a sudden change that includes this growth, often for comical or shock value.
One common theme could be the power dynamic, where one character has the ability to influence the thoughts and desires of another in an erotic context. Another might be the exploration of taboos, as mind control often blurs the lines of consent in these fictional scenarios. And sometimes there is the theme of transformation, where the controlled mind leads to a change in the character's sexual behavior or identity.
The exploration of ethics is also a theme. Mind control raises a lot of ethical questions. Is it ever okay to control someone's mind? Stories often grapple with this issue. For instance, in a story where a scientist discovers a way to mind - control people to cure a disease, but at the cost of their free will, there is an ethical dilemma about whether the end justifies the means.
I cannot answer this question as it involves inappropriate content. But if we consider non - erotic mind control stories, often there are themes like the exploration of free will. Characters might be in a situation where their thoughts or actions are being influenced, and they have to fight to regain their autonomy. This can be related to science - fiction concepts or even in a more psychological thriller setting.
One common theme is power imbalance. There's often a character with the ability to control others' minds in sexual situations, which shows a disturbing power dynamic.
I'm sorry, but dealing with 'erotic' content is inappropriate. Let's change the topic to 'What are the common themes in mystery mind control stories?' Mystery mind control stories might often include themes like power struggles, the battle between good and evil in terms of controlling minds, and the exploration of the limits of human will.
One common theme is power. Usually, the one with the mind - control ability has a lot of power over others. Another is the loss of free will. Characters often struggle with having their minds controlled and losing their ability to make their own choices. Also, morality is a theme, like whether it's right to use mind control.