Got this from [THE HAPPY PLACE] main site:
Mini-drama
"I want to see Tuxedo Mask's birth story too!"
Sailor Moon's support team, in other words the director, had this crazy idea for a drama. "Tuxedo Mask's birth's secrets." All we'll say is that you're going to love Tuxedo Mask's transformation scene.
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Tuxedo Mask's transformation scene? OMG, finally!! I thought for real that we going to see one in Act 25, but no!!!
I guess this Mini-drama will be before Act 1 where Hina and Mamoru is planning to engage or have engaged. Wonder if we going to see his dead parents around and Hina's dad??!!