In the sport of Kaigun-dō, where high school boys compete with warships, Commodore Perry Boys' College teeters after losing its flagship. With help from Oarai Girls Academy's champion Tankery team, a handful of determined seniors strive to resurrect the 'Black Ships Squadron' and win the 138th International Kaigun-dō Tournament.

This is just a fanfiction of girl und panzer And i dont own the Girls Und Panzer The story take in another universe where a boys allowed to join tankery in the name of Shasendō (The Way of Vehicles Warfares). In this story we will follow the journey of Akuzen Yoshimoto that join Shasendō again in his new school with his new friend to fight against his trauma in past with Shasendō and to win "The National Tournament Championship". But it will not be easy since there will be so many school that will stop his journey and he has to fight his big brother. Will he able to do it and win The National Tournament Championship?