My Black-Bellied Boyfriend - Chapter 12

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

(Marriage in place + silly wife + vest + sweet pet + strong man and strong woman + pretending to be a pig and eating a tiger)

After a calculation, she had to marry her sister, who was rumored to be blind and lame, and could not live beyond the age of thirty.

Later, everyone in the capital knew that the powerful Mo family, Mo Yuchen, married a fool and spoiled her.

someday.

The foolish girl leaned against the man’s arms, touched the man’s Adam’s apple and said, “There are rumors in the capital that you married a fool. Do you want me to show them my vest? Block their mouths?”

The man grabbed her small hand and put his arms around her small waist, his Adam’s apple rolled, and his voice was hoarse and too low, “Little Luoluo, be nice~ The vest is not in a hurry, there are more important things right now.”

“What’s up?”

A stupid girl is puzzled.

“Deadly thing.”

After speaking, the man hugged her by the waist.

If you want to show your vest, go dream!

He didn’t want his wife to be missed!

- Description from novelbuddy

Born as the daughter of the last martial artist of this era, that is Yeon. Her father is the world’s greatest fighter and is respected by everyone. The only problem was…… “I know it’s impressive, but I don’t have to follow in his footsteps, do I?” Her stubborn father’s dream was for his daughter to also follow the path of martial arts. Naturally, Yeon’s life was filled with grueling training. Living a dull life, Yeon’s only hobby was reading romance fantasy novels before going to bed. “If only I could live as a lady once……” After making a wish, Yeon fell asleep and entered a novel as if she were dreaming. However, her enjoyment is short-lived when she realizes that it’s not a romance fantasy, but rather a martial arts novel. “It was my dream to be a possessor, but of all things, it had to be a martial arts novel, and in the body of a supporting character who dies early!” Feeling indignant and weeping, she suddenly notices her own reflection in the mirror. It was a glamorous image. ‘Hold on. Does this mean… I could become a lady?’ Moreover, in this world, there was a man who looked exactly like the male lead in her favorite romance fantasy. He was handsome and talented, but with a wretched backstory. “Things are going to be different now.” The fate of a supporting character who dies early? Forget about it. Whether they’re followers of the devil or a heretical sect, even the worst villains don’t scare her. Why? Because she is the strongest possessor in history. This is the story of Yeon’s adventures in the martial arts world, as she stumbles along in pursuit of everything she desires.

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume