Description:

Chrono Alcon, a young demon, traveled from his small village to study at a prestigious school connected to the Demon King's Castle itself. Determined to keep his country-bumpkin status a secret, he tries to keep a low profile … but when his groundbreaking performance in his first test attracts the attention of not only his (gorgeous) classmates, but the Demon King herself … Chrono realizes his dreams of a “happy, normal school life” may die in the dungeons … just like him! (Source: Kodansha Comics)

Alternative Titles:

自称！平凡魔族の英雄ライフ ～B級魔族なのにチートダンジョンを作ってしまった結果～, Self-proclaimed ordinary demon's heroic life: The result of him creating a cheat dungeon, even though he's supposedly a B-grade demon