凹凸萌比
[āo tū méng bĭ]
'Concave Convex Moe.' In Japanese anime subculture, especially popularized in China, 'moe' describes cute, endearing or attractive characters. Combining moe with concave and convex creates a unique style that refers both to character features - like a concave mouth or protruding belly - or simply a fun wordplay on the concept of being uniquely adorable.