Toshishita no Josei Kyoukan ni Kyou mo Shikatte Itadaketa

Leon was born and raised in an all-male combat corps. Dreaming of flirting with girls, he runs away, but along the way he rescues a beautiful girl named Lilia from a dragon attack. Impressed by his strength, she invites him to enroll in the Hero Training Academy, where she serves as an instructor. But what awaits him there ...?