Incubus yaoi sex

Hi I'm a swich(leaning to sub,wanting to do a roleplay,more focused on romance.
Yaoi.
More of a oc x canon stuff.
No short replies pls 
And don't make the character extremely out of character
But if you want to use a oc just know that you need to do my oc crush and I do yours.
Unless you want to use a canon character.

We can discuss about the crush and stuff more in the dm.

 more of a romance roleplay idea instead:
In mha(my hero academia)(romance,porn with feelings.
Or black butler.

Plot1(black butler):
A person ,a certain someone,known to be a earl,someone who could sway the attention,soft spoken,kind,that kind of person,but what happen when they become a incubus for real?surely they were just a girl disguising as a earl but now the things have escalated to another level.
Ashamed of this and of anyone seeing their true appearance behind this,they have avoided going on those events,calling off as if they were sick.
So what happen when their crush goes to investigate their situation more deeply and finds out?

Idea 2: practically the same idea as the first one but this time it was just a quirk that they got affected by,it was told that the effects would go away,when the time was up,something weird happened,they were not really a human anymore,their body simply burned with a strange desire that they tried to hide it away,no one should know the truth.

Ok with: heat cycle(mating),aphrodisiac,transformation,gendebend,monster girl/boy,tight clothes,creampie.

Not ok with:overstimulation,mind break,mind control,inc€st of any kind,sl@ve,feet play,food play,any disgusting kink,bdsm.