Contents of Volume 1: Three vampire sisters with beautiful appearance and supernatural power deepen their conflict over the key to returning to the demon world, "Vivid Blood". Mia, a gentle and timid vampire, lives hidden from the public eye, surrounded by her two beautiful older sisters and her parents. One day, Mia gets caught by a human man when she gets separated from her sisters...! ? Maguro Fujita's dark fantasy volume 1! ! Electronic pre-delivery of newly written works! !