The Bloody Valkyrie

The Bloody Valkyrie (鮮血の戦乙女) is a re-enactment game event in Mass for the Dead that was released on June 21, 2019 to July 1, 2019.

Background
This is a story you should have seen somewhere--. In order to deal with Shalltear who suddenly rebelled during the mission, he bets on the qualities and dignity of Ainz Ooal Gown as the lord, and challenges a battle alone in the overwhelming disadvantage.

Trivia

 * The scenarios in this game event covers the events from Overlord Volume 03.