Edge of the Unknown with Jimmy Chin (2022)

Appearing before a devastated Usagi is a man who looks just like Mamoru but goes by "Endo". Usagi sees traces of Mamoru and thus approaches him…

Sailor Moon learns that Mamoru has become a soldier of the Dark Kingdom. She decides to take on Queen Beryl in an effort to get Mamoru back, but…

To end the painful journey, Sailor Moon stabs Mamoru with the holy sword before turning it on herself. The two fall to the ground, and are sucked in by Queen Metalia.

Sailor Moon stands up to destroy Queen Metalia, who radiates a tremendously dark energy. The power of the "Legendary Silver Crystal" is finally released.