Tsundere Soutaisei Riron: Kyun Kyun Waka E = mc²

Summary

Tsundere girls teaching a young man about the theory of General Relativity: it is the year 2015, after the world has been devastated by a war over "misguided science." An "No-Science" nation has arisen from the ashes, seeking the elimination of scientific knowledge, including that most dangerous of theories, General Relativity. It is up to the secret organization, "The Einstein Club," to preserve knowledge...for the future!