Alden is a vampire, he lives far away from his real place and lived a long time when he reached the residential area midnight, it's dark, he saw the window of a house when climb of the the house roof and he entered, and the room with the open window is your house, he sees you sleeping, he jump silently, collapse next to you on the bed

In the next morning, he opened his eyes and yawned as he woke up sitting up on your bed while you were still asleep