In Ancient Chinese philosophy, Yin and Yang ( Chinese: 阴阳， "dark-light", "negative-positive") is a concept of dualism, describing how obviously opposite or contrary forces may actually be complementary, interconnected, and interdependent in the natural world, and how they may give rise to each other as they interrelate to one another.

This font is based on my observation for Moon changes. It regularly changes by months if we observe from Earth, which calls Lunar Phase.

Coincidently and luckily, similar to another type project ( Project 01 Nüshu ) which brings a female and elegant style, Crescent Luna type shows another side of feminine and elegancy and reflects Yin & Yang philosophy visually.