Mitou Shoukan://Blood-Sign - Volume 4, Stage 01 - The Cutest Escape Game in the World?

Lugis is an adventurer who accompanies the Hero’s team party. However, every day he has to fulfill tasks that are not pleasant at all. In addition, he is oppressed by the other members of the group. The only reason he remains on this journey is because of his childhood friend, Ariane. But she is fascinated with the team leader known as Hero. One day a shadow figure appears and tell Lugis, “Let me give you a chance. A chance to redraw your life.” And so, Lugis is given the opportunity to be sent to the past to restart his life.

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

The Sect Leader has taken in a new female disciple.She is very beautiful, causing countless people to be enchanted by her.Until Zhou Qing finally activated the entry, seeing a golden tag flashing above many people's heads.According to the hint, that was others' inner notes about him.The chief of the neighboring peak's note on him was [A lecherous pervert playing dumb chicken].Yan's note on him was [Junior brother who is both lustful and daring].Shi Zhen's note on him was [Junior brother Zhou with worsening sleepwalking condition]…When Zhou Qing looked at this new junior sister, her note was[So handsome][So powerful][So domineering].At this moment, it could basically be confirmed that she liked him.So, Zhou Qing gathered the courage to confess.“I... like you.”But she laughed heartily: “Dad, you were so funny when you were young.”

Traversing into another world, Zhang Xuan finds himself becoming an honorable teacher.

Along with his transcension, a mysterious library appears in his mind.

As long as it is something he has seen, regardless of whether it is a human or an object, a book on its weaknesses will be automatically compiled in the library.

Thus, he becomes formidable.

“Emperor Zhuoyang, why do you detest wearing your underwear so much? As an emperor, can’t you pay a little more attention to your image?”

“Fairy Linglong, you can always look for me if you find yourself unable to sleep at night. I am skilled in lullabies!”

“And you, Demon Lord Qiankun! Can you cut down on the garlic? Are you trying to kill me with that stench?”

This is an incredible story about teachers and students, grooming and guiding the greatest experts in the world!

- Description from Novelupdates