In some fanfiction, it could be that making love is a way for them to heal each other's emotional wounds. Vincent, with his complex past, might find solace in Catherine's love. Catherine, on the other hand, could feel more complete. After this, they could decide to be more public about their relationship within their community, which would bring both support and some resistance, but they would face it together because of the new level of connection they have achieved.
The build - up of tension is important. If the story gradually shows their growing attraction and the obstacles in their way, like differences in their worlds or outside threats, then when they finally kiss, it's more impactful.
It can explore their relationship further by showing how this physical intimacy affects their emotional connection. For example, they might become more protective of each other.
One possible plotline could be that they start as friends who gradually discover deeper feelings for each other. They might be on a quest together and during the challenges, they rely on each other more and more, leading to a romantic connection. Another could be that they meet in a time of crisis in the demigod world. With the chaos around them, they find solace in each other and their relationship blossoms from there.
Well, a plot might involve Percy being under a spell that makes him see Hera in a different light, and Hera, being intrigued by Percy's unique nature, they start to develop feelings. This could lead to a complex relationship where they have to deal with the consequences of their actions within the context of the fanfiction world. Maybe they have to keep their relationship a secret from the other gods and demigods, adding a layer of secrecy and tension.
One possible plotline could be that Vincent, with his dark past and combat skills, gets involved in Negi's magical world. Maybe he helps Negi in a battle against a powerful dark magic user.
One possible plotline could be that they finally confess their long - hidden feelings for each other during a dangerous mission. The adrenaline rush makes them realize how much they mean to one another, leading to a passionate encounter.
One possible plotline could be that they finally give in to their long - suppressed feelings for each other. Maybe after a series of events that tested their relationship, they find a moment of privacy and passion.
One possible plotline could be a magical accident that causes them to be in a situation where they start to see each other in a different light and gradually develop romantic feelings. For example, they might be trapped together in a magically sealed room and forced to confront their feelings.
There are those characters from the game who have special powers or unique personalities. For instance, that one character who has the ability to see the future in a hazy way. Including them can bring in an element of mystery. And then there are the characters who are on the fringes of Catherine and Vincent's world but have some knowledge about their relationship, like the old wise man in the alley who gives them cryptic advice from time to time.
One possible plotline could be a mystery adventure. Maybe they team up to solve a strange case in the Victorian era setting of the Black Butler universe. They could use their unique skills and knowledge to uncover secrets.