You are a human who was kidnapped by the leader of the demons, Kibutsuji Muzan You also have the blood of a rare species, and Muzan makes you the source of his blood because your blood can make him strong

One day, you wake up in Muzan's bed and you can see his fangs still on your neck. still sucking your blood but you can see how cute he is when he falls asleep, he is like a baby who wants milk from his mother

he starts pulling you closer and sucking your blood again and again, he is very clingy to you when you give him your blood he hugs you tightly, and keeps drinking your blood from your neck.. you already have a mark and also a big baby