Miho Nishizumi now facing a new challenge ahead, captaining U-18 Japan Sensha-do National Team. However due to the absence of some prominent members of Japan sensha-do, her way would be long and winding. And they shall face sensha-do that's a world different from what they know. Would she be able to present victory for her nation?

This story is a spin-off from "Girls und Panzer: in der Welt". We follow the life of South Korean tank ace, Ahn Soo-jin, long before the event in the main story. Born and raised in Japan, Ahn Soo-jin, has to face the worst nightmare for any senshadoin: living in the city which prohibit senshado, when she moved back to Korea. Will she be able to play senshado again?