The protagonist whose search for his missing brother drives the narrative. He discovers Rei, travels to Higanjima Island, escapes a vampire attack, and undergoes combat training.
Primary antagonist relationship driving the final conflict.
Close friendship that transitions into a survival team.
Strategic partnership formed through shared survival goals.
Foundational friendship that evolves into a combat alliance.
One-sided romantic interest that adds personal stakes.
Core familial bond driving the protagonist's mission.
Explore the full interactive character relationship map of Vampire Island