In which Kim Minju is a new student at Blanditia Fanum. As a rare type of vampire, a Bloodbound, Minju is assigned to one of the four daughters of the Talgory family line, in which she is required to provide her blood for them. But with her partner's history as a notorious blood addict, will Minju be able to survive safely during her time in the academy? What will become of the pair as desires get in the way?