Y/n is living his everyday school life but that was until suddently he and his clasmates were transported to another world. Now after a certain event leaving Y/n and his friend Nagumo Hajime seperated from the rest Y/n will do anything to find a way back home as he'll rip and tear until he'll be done.

(Y/N) Nishizumi got 6 years old when is first sister Maho come into his life when she come to life his mother forgot him and more when his sister Miho arrive even if he hate his mother, he love his sister even if they don't know they have a brother, he leave in Germany with the help of his father, (Y/N) is a fan of Tank, he was a great tactician, one day when he was 15 years old, he found the construction diagrams of the E 75, everyone said he could never build that Tank but only 1 years later, he finally build it. He accumulate money, with this money he create a Factory to create tanks that never be build, now aged of 21 years old, he came back to see the finale of Sensha-Do between Oorai and Kuromorimine but he is famous not for his family name but for his nickname the master tactician of Panzer

When Y/N Entered beacon, he thought he was gonna have a good time, he had friends know as RWBY sense childhood......but it all went to hell when they decided to talk behind your back and at one point...... tried killing you...... but one day, RWBY and other teams left you for dead in the forest..... but after that you found a new life....

(Azur Lane x Girls Frontline x Male Reader) You were one of the best commanders that humanity has to offer. You were very good at strategies that even if you were outnumbered, you somehow managed to prevail without casualties. You were a commander for a T-doll unit and a fleet of shipgirls. All was going well, until you noticed that everyone seems to avoid including your unit Note: Azur Lane will be created by G&K in this AU while the Sirens will stay the same but have an alliance with Sangvis Ferri P.s: Pictures don't belong to me