Love Letter From The Future

미래에서 온 연애편지 • A Love Letter From the Future • 未来からのラブレター〜滅亡する世界の英雄は俺！？〜 • 来自未来的情书

Ian Percus, a third-year student from the Academy's swordship department, wakes up one morning to find a flip calendar on his desk and a letter he doesn't remember receiving. The letter contains a cryptic message: "If we don't protect the future, the world will perish." When he goes to the Academy,...