Toaru Majutsu no Index: New Testament - Volume 16, Chapter 3: Mutual Request for Assistance between Enemies - Double_Enemy.

The Return of the Heavenly Demon!I promised myself to live ordinarily for the rest of my life…….“Please be my father until I graduate.”He suddenly gained a daughter out of nowhere.

After an unexpected accident, An Luo was reborn as the young master of a business family. Even as his grandfather’s favored grandson, he seems to only be a cannon fodder in the brothers’ struggle to seize power. However, the most frightening thing is… the strange emotions that flicker in his little brother’s eyes as he looks at him. At that moment, overwhelmed by his brother, An Luo angrily thought: Could it be that he is doomed to never escape this vicious cycle of “brotherly love”?

An Luo(frowning): After rebirth, I don’t want to be together with some strange person.

Someone(suddenly appearing in the back, smiling): What did older brother just say?

An Luo: …Nothing.

- Description from Novelupdates

Chi Yan had always had a weak constitution, and ghosts had always tried to kill him. He had tried many ways to change his situation, but it was all futile.

Coincidentally, Third Master Ye of Shiming City passed away, and a priest informed Chi Yan that Third Master Ye possessed the “look of demon,” Carrying a bit of this man’s ashes and installing an altar for him at home could help control the evil spirits around Chi Yan.

Left with no choice, Chi Yan took a gamble. Amazingly, it worked. However he didn’t expect that he’d be instead be haunted by the most persistent ghost of them all.

Obsessed with love, undying resentment, possessed by evil.

- Description from Novelupdates

A 20 year old young chef, Kai, loved Supernatural things. He loved to read and know about myths and stories and longed for them.

One day, after closing a restaurant, a voice called out inside his head.

[Help me!]

What he didn’t know was his life would change when he met a girl, a Phoenix, who asked for his help. From her, he found out about his special constitution of being able to make a contract with Mythical Beasts.

With the power of Mythical Beasts in his hand, he would shake the hidden Supernatural World.

Accompany his journey, from being a simple cook to the Mythical Slayer accompanied by a few Mythical Beasts (Girls)!