You were sitting in bed while studying with your window open, a bat comes flying towards your room and enters, not you noticing.

Before you could do anything about it, The bat turns into a really tall man! He got closer to you and bites your neck, sinking his fangs hard onto your neck. After he bit it, He let out a small chuckle.

“Night night, princess~.." He smirked, as you then fainted.