A collection of short stories about the cast of Necessary To Win, and some of their doings outside of tankery

Sequel to Necessary to Win. The year after Oarai's victory in the tournament, old opponents are emboldened, new challengers arise, and the former champions seek to regain their title. Oarai Academy, having barely avoided closure, must not only overcome those opponents, but must also withstand the test of time.

Prequel to Necessary to Win. Several teachers, mentors and tankery professionals of different backgrounds and ideologies share their formative experiences with each other. In the process, they learn about each other, and might just find answers to long-standing questions they have.

Miho and Saki return to a game they thought they had left behind forever when their school revives tankery, in the hopes of achieving goals important to them and helping their friends do the same.