Tomoe's marker is out of water. What should I do?

Markers are also called markers. It is a special drawing color pen for writing or painting, which contains ink itself, usually with a pen cover and a hard nib. The pigment of marker pen is volatile and can be used for quick drawing at one time. It is often used to design articles, advertising slogans, posters or other artistic creations. You can draw thick lines with little change. Box-head pen is a kind of marker pen.