Tankery―

It is a martial art using tanks.

It cultivates traditional feminine values similar to flower arrangement and tea ceremony.

Our protagonist, Nishizumi Miho, comes from a noble lineage of "Tankery".

She was an aspiring "Tankery" maiden, driven towards all things tanks...

But due to certain circumstances, she transferred to a school having nothing to do with tanks, where she started her new ordinary life.