Iris Kou

Iris Kou is the daughter of Yaten Kou and Neo Callista. She is an idol, having taken up the same path as her father. She is a best friend of Chibiusa Tsukino.

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Iris was born before the 30th Century comes, she and her twin brother was conceived after post-timeskip Galaxia defeat. She, in regards very much has same manner and personality as Yaten to a degree, she always fight with Seiya Kou because he continues to play jokes on her.

When she first met Chibiusa, she is very much distant towards her until Chibiusa herself comes to approach her. Soon, they become friend. After 30th Century came, she and her family live in palace along side Chibiusa and her family and the rest Sailor Senshi.

Iris too, followed her father step to become an idol which gained support from her parents. She is easy going and and friendly to those close to her especially, her father.

It's implied she is also a sailor soldier, since Chibiusa is a sailor Senshi too, probably she is also the same group as Sailor Quartet and Sailor Saturn. Because she was born before Chibiusa, her body already started to grow and stop at the age 12.