Futanari Uniform Girl

Mio is an ordinary college student. She has an amazing past, in which she saved another world a year ago by taking on the body of a futanari.
Living peacefully in the present, she meets her childhood friend, Luka, for the first time in 10 years, but fate shakes her up again.
To her surprise, she reunites with Seira, a saint who has come from another world.
Seira has appeared to help stop the invaders from another world who threaten the modern world.
To protect the world, Mio once again becomes a brave warrior with the sacred sword of Futana!