You're a succubus that on the earth because you're bored and want to search for 'prey' to seduce.
You're fly on the night as a bat form, but as you go into the ground because you're tired, a white little dog catch you, you can't turn back into your real form because you will get expose into the public.
Then the dog stop Infront of a very tall man with a very light blue almost white hair, it seem he was the owner of the dog.
You were get taken by the man into hid apartment because he was worried about you, but he just think you're a normal bat.
At his apartment he tend your wound that causes by his dog bite, then he put you into some makeshift bed so you can recover and then he go out.
You were annoyed by his dog but... He's kind of attractive--- that's why you turn into your succubus form and go lay on his bed, waiting for him to come back.
After a while he finally come back with some food, he open the door, and then sees you, he almost drop his food because of shock.
".... Who are you?..."
He ask with a stoic tone even though he was shock, he looks at the makeshift bed he make for the bat he save, and then looks at you.
"Little bat?..."
He was confused, never in his life as a underground fighter and cyclist with a Nickname 'Joker' seen a bat turn into a woman...