Toaru Majutsu no Index: Genesis Testament - Volume 2, Chapter 1: This is the Real Battle — Home_Ground_Hospital.

Xu Yiren, who has 300,000 fans, scolded Song Tianmei, a new traffic flower with more than 5 million fans, on Weibo: “Who in China doesn’t know that Gu Yu is your backstage!” People are sitting at home, and the pot is coming from the sky.

Gu Yu: “Excuse me?”

Three months later, Gu Yu put his hand on Xu Yiren’s side and said softly, “I have never been the backstage of anyone in my life, but from today onwards, I will be your backstage.”

- Description from Novelupdates

The second prince has come of age. To celebrate the advent of such an occasion, the search for a suitable bride began. My younger sister was expected to go to the Royal Palace as a candidate. However, despite this, she eloped the day before her departure. I, the older sister she left behind, looked almost exactly like her – so much that we were often mistaken for twins…

One month, right? For just one month, shall I substitute in for my sister?

Jinhyuk is a person who likes to immerse himself in the role of the Villains but there is one villain which he particularly hates,

Reed Adeleheights Roton, the false final boss of the game.

The one who created the Seven Disasters.

The one who due to his inferiority complex led to his own doom.

The one who turned a cute innocent girl into the monstrous First Disaster codenamed Cosmo.

“If I was the Villain then I would have raised her a little better.”

And thus God granted his wish and now he was the false final Villain Reed Adeleheights Roton, the creator of the Seven Disasters.

How different would the world turn out to be now?

One night she gets drunk and mistakes the most well-known Mafia boss for a Host* and intends to sleep with him.