Teisou Gyakuten Sekai no Doutei Henkyou Ryoushu Kishi

Faust, a frontier lord, was reborn from modern Japan into this world where the concepts of chastity and gender norms are the exact opposite, which made a male knight such as him quite a rare sight. Because of his preconceptions from his previous life, he had to hold himself back at the sight of the almost nude, lightly-clad queen and put up with the sexual harassment from the big-breasted duke. But once on the battlefield, he became a superman who performed heroic deeds.

Faust was also a counselor to the second princess, Vallière, and accompanied her and her entourage on their first battlefield expedition. However, while fighting bandits in a village, an unexpected tragedy and ordeal awaited him......? In a worl...