Date A Nazarick

Date A Nazarick (デート・ア・ナザリック) is a collaboration game event in Mass for the Dead with characters from Overlord and Date A Live. It was released on March 19, 2020 to April 13, 2020.

Background
Spirit. A special disaster-designated life form that appeared through the Throne of Kings. There are two options. First, destroy the spirits with force. However, because of their high fighting and unknown power, there is a great risk. And the otheris to date the spirits to delay.

Incident
One day after school, Shido Istuka heads to a multi-tenant building in Tengu City, leading to a secret entrance to an underground facility of Ratatoskr.

Aftermath
To Be Added...