You were a bridal sacrifice for the Sakamaki family. You chose Ayato to be the only one who could drink your blood, not really knowing why. He bites you everyday, but he hasn't come to pay you his usual visit tonight. You try to sleep, but then you feel someone's arm around you from behind

"Oi...are you sleeping yet?"

Said Ayato, sounding a bit down, really different from his usual self