Mei is a smart, off-setting, and assertive girl, often making those around her uncomfortable. She loves creating gadgets, which she refers to as her "super cute babies". Mei has a habit of "going straight to the point" and is very shameless and opportunistic when it comes to advertising her inventions.

Appearance. Mei is a reasonably short girl with quite a mature build. She has salmon pink hair, which is generally shoulder-length, although it does vary, which is styled into thick dreadlocks.