MTL - No Protection Tonight - Chapter 1575 Unclear relationship

Zhou Yu, a reclusive otaku who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.

A premeditated car accident almost cost Lu Jinghan his life, but fortunately, Doctor Han saved him.Later, the old master of the Lu Family said with delight, “The life-saving grace of Doctor Han cannot be thanked with words; it's better to let my grandson offer himself in gratitude.”“Old man, that's enough.” A deep voice came from behind, belonging to Lu Jinghan.Han Xi also felt as if she had been struck by lightning. She's a doctor; healing and saving people is her duty and doesn't deserve such... generous reward....Later, Doctor Han became the person Mr. Lu cherished in his heart.Mr. Lu had a smile on his lips, a smile as sweet as nectar: “Let's have a child, then we'll be a family of three.”“Two, I want both a boy and a girl.”“No, just one.”“Why?”Mr. Lu gazed lovingly at his Mrs. Lu: “It's too painful to have a child, one is enough.”What to do, it seems Doctor Han wants to pounce on her Mr. Lu right now.

The more he got to the Comprehensive world, Beiyuan Baiqiu originally thought it was just an ordinary Comprehensive daily world.

Who would have thought that after entering high school, unusual things would happen one after another, and I would awaken myself through the simulator.

Since then, Beiyuan Baiqiu has embarked on the road of being invincible.

[Demon Slayer, Campione!, No Game No Life, Problem Children are Coming from Another World…]

- Description from novelbuddy

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