cast a purple spell

The color of the witch’s ink is very mysterious.
It’s black when you write with it, but if you look closely, you will see purple.
A purple that is as close to black as possible – an ink with a color like no other.

[Specifications] 30 ml of water-based dye ink in a heel shaped bottle
[Package] Original package / Ink tells more white pearl varnish finish, gold foil stamping
[Included in Package] Instructions (Japanese and English) are included in the package