Kakuta secures a fresh position at a prominent corporation's Accounting Second Department, situated on the lowermost level. He is appointed as Chief Utsugi Hiroshi's assistant, a fascinating individual with an uncanny resemblance to a vampire. Although there are noticeable indications that Utsugi is a vampire, Kakuta remains uncertain. Even as he attends to his peculiar boss, Kakuta endeavors to uncover the facts behind Utsugi's true identity, which could potentially alter their relationship dynamic.
