Raising Boss's Twins After Transmigration - Chapter 10 - He Was Mad

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

This is a story about a legend, of one that can never be forgotten.
Summer, first time down the mountains in 16 years, after being raised by his 3 masters and Fairy sister.

‘Why won’t you follow the Rules of society?’ The rules are the tool made by the strong, so I follow my own rules.

‘Why won’t you just use your brain instead of your brawn?’ Idiot! Have you ever seen anyone use their brain, to get back at an ant that bites them!? No, they just casually step on it.

‘Oh, everyone says you’re a first-class beauty huh?’ well, I’m sorry but even you are not qualified to be my wife. Only a ‘Summer class beauty’ is worthy enough!

‘My enemy is sick?’ Oh, don’t worry, even if you’re on your last breath and I feel it’s beneath me to slap shot you dead. I’ll just fix you up and then beat you!

‘Who am I?’

“I am Summer in the spring, the autumn, and the winter, I’m the world’s first above the heavens!”

Follow me, Summer Day as I step by step become known as the world’s first master, the world’s first doctor, the world’s richest man…… a lot of other world’s number one, but most importantly, The worlds happiest man.

- Description from Novelupdates

Business tycoon Ji Lingchen swore not to take a wife. He didn’t even have scandals to his name.

Until one day, when a wife was forced upon him, Young Master Ji began a new chapter in his life!

Assistant Jiang: Young Master Ji, Madam trashed Zhang Manor. Ji Lingchen: Get more people to help her out. Assistant Jiang: Uhm…

Ji Lingchen: Wait, has she calmed down? Assistant Jiang: No. Ji Lingchen: Inform the board to start the project of acquiring Zhang Group!

Assistant Jiang: Young Master Ji, Madam beat up Young Master Wei, and now he’s hospitalized. Ji Lingchen: Has she had enough?

Assistant Jiang: Doesn’t seem like it. Ji Lingchen: Let her continue. One day, Ji Lingchen learned that Fang Xiaonuan had gotten into another fight. He slammed the table and got up.

“Fang Xiaonuan, are you asking for a beating?” Fang Xiaonuan retorted, “Darling, you’ve changed. You didn’t use to be this way…”

Ji Lingchen pointed to her protruding belly and said, “You were alone before this!”

To be fighting when she was seven months pregnant not only frightened her opponent, but she also scared the wits out of Ji Lingchen.

Yet, Fang Xiaonuan was feeling pleased that she managed to win without a fight!

Fang Xiaonuan’s anger subsided and she stared at Ji Lingchen with puppy dog eyes as if she had been badly bullied. “

You win. You rascal, can you wait until the little rascal is safely born before you go fighting again?”

A genius idiot born from an incestual marriage!

A young man with triple identities of worker, murderer, and university student!

Cadillacs and Dinosaurs, Sangokushi, KOF, Knights of the Round, Shadow Force, Street Fighter…

Each one of the arcade games you are familiar with has already been changed into a prerequisite for survival!

Slaughtering Shiranui Mai with Ya Otome, Jigoku Gokuraku Otoshi to kill Li Dian. There is only what hasn’t been thought of, there isn’t anything that can’t be thought of!

On an unknown day, when you walk down the stairs, you may accidentally walk into this —— arcade nightmare!

- Description from Novelupdates