ユレカ

Steph, a vampire who dedicates his life atoning for his sins, meets Shukley, a different type of vampire. While traveling with the once-lonely Shukley, Steph drinks his blood and feels his warmth. However, the past events in his hometown still haunt Steph, leaving him with grief and remorse. After running into Shukley's father and learning the truth, Steph's wish finally comes true... (Source: Media Do) Note: Includes one extra chapter.