Synopsis: Sleepless Night

Halo, a vampire hunter, takes on a contract to solve a murder mystery for a client who lost her family at a young age. Her target? Hereis, the head of the powerful Rivera group. To get close to Hereis, Halo joins his team and works as his assistant alongside the famous political tycoon, Herace. But as she spends more time with Herace, her heart begins to soften towards him. Can Halo fulfill her duty to take down Hereis while also falling in love with her mark? Find out in the original webtoon R19 and R15!