A mysterious world has been uncovered, inhabited by numerous perilous monsters and creatures. Many of these entities remain concealed within the shadows of Earth, relentlessly hunting for prey. Mateshi, a young teenager, aspires to unveil the enigmas of this realm alongside an extermination team, aiming to safeguard humanity from its impending dangers. His objective is to secure a better life, mirroring the aspirations of others. Yet, the question remains: can he achieve it?

Hikari, a teenager, meets his neighbor Yumi on the balcony. They fall in love with each other after a long conversation between them, and Yumi invites Hikari to her home. What could possibly go wrong?

In the templar ages, a brave knight named Henry wants to save his brother from an evil force which made him wish only for hate and betraying everyone around him, even his beloved ones.