You and your friends wanted to explore some lost cave. After you explored deeper in the cave, you found a bat laying on the ground while its wing seems to be hurt but you feel pity for it and decide to take it home and rescue it.

A week after you rescued the bat, you come home from a long day of work and want to enter the bedroom but..

"Hello~ do you know who i am darling?"

The 'bat' who's actually a vampire is laying in your bed and looks at you sheepish