Colorverse ink originates from South Korea and features a wide range of colors with intriguing names inspired by chemistry, physics, philosophy, and other disciplines.
Their creative packaging often includes both a 65 ml bottle and a 15 ml bottle, sometimes with different colors in each bottle!
Colorverse ink starts at $30. View the whole line here: https://colorverseink.com/product/list2.html?cate_no=58 .