Hamaguchi Kayu

Hamaguchi Kayu (浜口和夕) is a friend of Hitotsuyanagi Riri's who at one time lived in Yamanashi, Japan.

History
In Assault Lily: Move Out, Team Hitotsuyanagi! and Assault Lily: Bouquet, during the Koshu Withdrawal, Kayu and Riri tried to escape from the Huge together and were helped by Shirai Yuyu, after which both made it to safety.

Kayu is not a Lily. As of 2052, she is a student at a civilian school in Tokyo. She and Riri still keep in touch, and meet up from time to time.

Kayu works very hard at her studies, and wants to become a historian in the future.

In Assault Lily: League of Gardens and Full Bloom, Kayu is never mentioned or depicted, and may not exist.