A Siren experiment or some other unknown phenomenon, whatever caused it is unknown. However, the KANSENs find themselves in a world not their own where they must find a way to survive while protecting the people from threats they do not understand. Now join a young US Navy Commander as he tries to guide them in his world. (CONCEPT ONLY FOR NOW.)

It is the end of the 63rd Womens' Sensha-do Tournament with Oarai claiming victory in order to keep their school. A story of survival while others sought glory. Now the predator has retreated and set its sights on a new prey which unknowingly sets two worlds on a collision course. Join us in an adventure with the Boys, Girls, and Tanks! (NOT A HAREM!)

A group of young modern military cadets finds themselves suddenly transported into an alternate dimension that is alien to them, while at the same time, very familiar. Armed with a number of modern weapons and equipment, as well as crucial knowledge and intel, can they help the native people survive the harsh reality? How would they change the outcome of this story?