Virgin Fleet is a 1998 Japanese animated series that follows the story
of the Nakano Naval Academy. In the show, Shiokaze Umino (Sumi
Shimamoto) studies at this all-female military school, and she wants to
hone her strength in case of an attack by foreign invaders. It ran as a
three-episode OVA, and each episode is about 30 minutes long. Sumi
Shimamoto was also involved in producing the music for the show, along
with Chinami Nishimura and Satsuki Yukino.