The Venus Vanguard investigates rumours of a strange, dark presence that has potential links to recent disappearances.

Sumire grows weary of the testing meant to help her control her Berserker tendencies. She longs for a normal life, but even a day at school could result in a battle with a Virus.

A young girl seeks help from the Venus Vanguard when her brother's personality changes in disturbing ways. Sumire and Lucia think a Virus could be causing the problem.

A look back at Sumire's first encounter with Lucia reveals the circumstances behind Sumire joining the Venus Vanguard.

A new threat emerges, and everyone soon realises that she won't be defeated without a fight; Sumire must take drastic measures in a confrontation.

Lucia is injured after a dangerous encounter with Guy, and Sumire comes to the rescue when their next confrontation appears to be going no better.