(Part 2) Underground-Tomb-IDOL P

(Part 2) Underground-Tomb-IDOL P ((後編) 地下-大墳墓-IDOL P) was a event that occurred in Mass for the Dead. It was released on April 23, 2021 to May 6, 2021.

Background
AAs an idol unit, LittleMass Aura and Shalltear give comfort to general maids. The girls who finished the first live safely with the enthusiasm of the fans and together, they ran up to the height of excitement.-

Aftermath
TBA