The Venus Vanguard investigates rumors of a strange, dark presence.

Sumire becomes weary of the testing meant to help her control her Berserker tendencies.

A girl seeks the help of the Venus Vanguard when her brother's personality changes.

Sumire's first encounter with Lucia.

A new threat emerges, and it won't be easily defeated.

Lucia is severely injured and Sumire comes to the rescue.