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===Reproduction===
<blockquote>
From their feminine characteristics, it is easy to mistake zaika for a race of all women. In fact, they are all hermaphrodites, equally able to fertilize as well as to birth. Their biology resembles a terran female on the surface, with two breast-like organs on their chest and a labia-lined opening between their legs. Unlike typical mammals, zaika do not produce milk and therefore do not have nipples. Their ‘breasts’ in fact serve a biological role similar to the kui-tan’s testes: producing and storing seminal fluid and sperm in a thickly padded cushion of highly elastic, fatty skin. These organs swell and ebb with arousal and release, giving sexually active zaika a highly variable cup size.