===== Koga Rei =====
{{ farne:actors:ai_otsuka01.jpg?300|Koga Rei}}
The younger sister of [[Koga Akira]]. Rei has just recently turned 16 years old and her parents have begun looking for a suitable alliance to be made through an arranged marriage of their daughter.

Rei's family is an Alestian branch of the infamous [[farne:organizations:Crane Clan]] of Masayume.