Artist's commentary
CE EXP Card: Mysterious Substance β
A mysterious substance from Mysterious Heroine X's ship.
It's filled with mysterious energies that can power up Craft Essences.
By letting the spherical matter in the middle to dip into Liquid 1 through Liquid 5 in order, it will form into something.
Depending on how you look at it, it might be grotesque.
It was grotesque.