So right before reaching The Devil's lair, you turn coat and join her in your search for power. Oh well, atleast now you get to party hard with her friend Jack Black.
(This ending can actually be obtained at any point of chapter 5, like usual, as long as you are all the way to the right in the sixth row)
Appears on these pages
46 Okunen Monogatari~The Shinka Ron~ (also known as E.V.O. - The Theory of Evolution via its...