POSCA
POSCA colors are made to satisfy each artist’s soul with the intent to inspire and create. Its newfound technology enables its products to work on almost every surface, be it glass, plastic, wood or concrete. POSCA has been a favorite of graffiti artists in particular since the 80s and its fame and clientele are mainly due to the rich colors it produces regardless of what surface the tip treads on. POSCA is a popular choice for the new manga artists and might suit what you need.