MTL - Longevity Begins with Marrying a Wife - Chapter 189 don't take it for granted

Yang Lujia, a sought-after, handsome, sports-driven, and seemingly perfect man with an outstanding family background was killed in a plane bombing orchestrated by his so-called pals. Before he even knew it, his soul traveled through space, and his supposed-to-be ending unexpectedly took turns.

Unknowingly, he set foot into a world made up of five realms where strength matters most. Then, one day, following a mission, he started accepting disciples.

[Ding! The system has discovered an S-Class Genius! System’s Fifth Ability Unlocked: Disciple Acknowledgment!]

[New Mission: Recruit and acknowledge the Holy Flood Empire's S-Class Genius. The reward will be issued upon acknowledgment from both parties.]

Ye Muyu, an elite of the modern company, got married and had children directly after time travel. She became the lady of an ancient scholar and the mother of two children, and she also found out that there was a “sister-in-law” who hated her very much.

Not only that, but there is also a ‘reborn’ female supporting role Tang Rou who covets her position everywhere.

Tang Rou: “Your position is mine, and I will be the first-rank madam in the future.”

Ye Muyu looked at the dark-faced man in front of him, and nodded calmly: “Okay.”

A certain man instantly protected Ye Moyu: “You It’s my wife, don’t even try to get rid of me, idlers, get out.”

The son hugged Ye Muyu’s thigh: “Go away, my mother is so nice, if you dare to bully her, I will bite you to death.”

The daughter held Ye Muyu’s arm Arm: “You are a bad person, my mother is the best mother in the world, if you dare to speak ill of my mother, I will report to the police.”

Seeing the happy family of ‘Ye Shi’, the reborn Tang Rou secretly hated her Grinding: It shouldn’t be like this, everything has changed!

- 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

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.