Synopsis: I Will Offer My Blood

Seoho proposes an arrangement to Oje, a bloodsucking Bat monster, who conceals their true identity. Seoho's initial intention is to quench Oje's thirst for his vital fluid. However, as time progresses, the enchanting Oje yearns for more from Seoho. Meanwhile, Seoho becomes infatuated with the captivating being. What will be the outcome of their perilous and mesmerizing bond? Track their journey in the original webtoon.