The world is in a war against an alien race called "Mimics," who have taken over most of the world with a mission to eliminate the human race. Keiji Kiriya is a new recruit in the United Defense Force, which...

Hanatsubaki is a famous woman of the Yoshiwari pleasure district, Osen. Somehow, alongside ToShino, a trainee courtesan, and Hirayoshi, a young male servant, she travels forward in time from the Edo period t...