Who could be the one behind Cross getting brainwashed in a 'cross gets brainwashed fanfic'?

Well, it could be that Cross is exposed to some sort of mind - controlling device or magic. Maybe an enemy uses a special spell to make Cross forget his true loyalties and start working for them. For example, the enemy could make Cross believe that his former friends are actually his foes and he has to fight against them.

It could be a rival from X Sans' past. Someone who has always been jealous of X Sans' power or popularity in the fanfic world. This character might have finally found a way to get revenge by brainwashing him.

Well, it could be about an evil force taking over X Sans' mind. Maybe some powerful magic or a new villain in the fanfic universe. This brainwashing might lead him to do things that are against his normal nature, like fighting his friends or causing chaos in his world.

Naruto is a likely candidate. Given his importance in the series, a plot where he is brainwashed can create a huge impact. His powerful chakra and his role as the main character mean that if he is brainwashed, it can change the entire dynamic of the story. The enemy could use his strength against his own friends and village.

Loki could be a likely villain. He has a history of mind - controlling people and causing chaos within the Avengers. He might see Hawkeye as a useful tool to disrupt the team again. His mischievous nature and magic powers would make it easy for him to brainwash Hawkeye without being detected at first.

The most obvious antagonist would be the Millennium Earl. He has the motive and the means to brainwash Allen. He wants to destroy the Black Order and Allen, with his Innocence, is a major threat to the Earl's plans. So, by brainwashing him, he can turn that threat into an advantage.

Well, 'brainwashed gay fanfic' refers to fan - made fictional works that focus on gay relationships and incorporate the concept of brainwashing into the storyline. These can range from being dark and intense, exploring the power dynamics and the effects of such a situation on the characters' emotions and relationships, to more light - hearted takes where the brainwashing is a plot device for comical or romantic misunderstandings.

I'm not entirely sure as 'brainwashed orgasm fanfic' is a rather strange and specific term. It could potentially be a type of fan - created fictional story that involves some sort of mind - control or brainwashing scenario related to sexual or romantic elements. But this is just speculation without more context.

Orochimaru is often a common antagonist in these types of fanfictions. He has a history of experimenting on people and his knowledge of jutsu could be used to brainwash Naruto. He might want to use Naruto's power for his own evil plans.

One possible plot could be that an evil force brainwashes Casshan. They manipulate his memories and values. As a result, Casshan starts to target the people he used to protect. His friends then have to find a way to break the brainwashing, which could involve a long and difficult journey filled with many challenges and revelations about Casshan's true nature.