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What the hell is this? What the hell happened here?

“Impossible… Why are you not following my orders!? Clearly I sucked your blood, why!?”

On the very first day of high school, the youth subscribing to the philosophy of “absolutely ordinary everyday life,” Kujou Hisui, encountered disaster head on: He was attacked by Rushella Daamu Draculea, the vampire who had lost her memory. Rushella was greatly intrigued to find her vampire powers ineffective against Hisui. Not only did she make Hisui’s home her own, she even enrolled in his school to stick to him–

Hisui had no choice but to help Rushella regain her memory. But before one crisis could be resolved, many more had risen. With tempting advances from the mysterious Sudou Mei, and kidnapped by the girl from the Supernatural Investigations Section in search of Rushella, Hisui’s ordinary life has been replaced by its complete opposite, drama–

Romantic comedy and supernatural action in a school setting!

Yue Xiuzhi played the most hated villain in Q*dian for the sake of resurrection—— The master of the protagonist, who abused the protagonist in various ways in the early stage, was finally killed, but he couldn’t go back.

In order to compensate, the system sent him to the second world of this book, where Little Protagonist was only five years old, and Yue Xiuzhi could OOC casually, ignoring any plot.

So, Yue Xiuzhi happily spoiled the wolf cub.

But he didn’t know that the protagonist of the body world who was abused by him in various ways would occasionally possess the Little Protagonist in this world.

This Son of Heaven was surprised to find that the hypocrite master, whom he hated so much, actually pampered the “self” of this world.

He had been tortured in various ways because of his demonic nature, but the master of this world, after discovering that “he” in this world had demonic nature, said: “Demon qi and spiritual qi are just a form of energy. Spiritual cultivation and demonic cultivation are just a way of pursuing the Dao. In spiritual cultivation, there are people with human faces and animal hearts, and there are demons who have clear grievances.”

He became jealous but did not want to admit it, in the step by step fall, he found out that the person who died for him, his best friend, his first love, and his most hateful master, were actually the same person!

- Description from Novelupdates

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.