Dyed White and New Year's Ruler

Dyed White and New Year's Ruler (染まりし白と正月の支配者) is a game event in Mass for the Dead that was released on January 1, 2023 to January 15, 2023.

Background
King Shiramochi-ō, the Ruler of New Year who was once welcomed by Nazarick. His incarnation Shiro revives and announces the arrival of a new New Year.

At the same time, a dangerous situation occurs where mental effects take effect, Momonga and Shiro set out to intervene, but...?

Incident
TBA

Aftermath
TBA