30 Years Have Passed Since the Prologue

30 Năm Đã Trôi Qua Kể Từ Phần Mở Đầu | 30 Years After the Prologue | 30 Years Since the Prologue | Giriş bölümünden bu yana 30 | yıl geçti Han Pasado 30 Años y Solo Era el Prólogo | It's Been 30 Years Since the Prologue | Sudah 30 Tahun Sejak Prolog | Thirty Years Have Passed Since the Prologue | После пролога прошло 30 лет | 프롤로그에서 30년이 흘렀다

I 'transmigrated' into a world I've never seen. I spent 30 years, thinking it was a traditional RPG. Having retired after becoming a war hero, I was now waiting to meet the ending. But somehow- The 30 years I've spent till now was just a prologue, and this world was actually an academy genre?