Seven Deadly Sins System - Chapter 171: Good and Evil Bodies

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

Jiang Ning was the true heiress of the Huo Family, lost and living outside. After being brought back by her family, her birth parents didn't like her, her cold-faced brother despised her, and her twin brothers would tell her to get lost from the home at the drop of a hat.Waking up alone in the hospital, she was diagnosed by the doctor with a terminal illness, yet her own family was busy throwing a party for the fake heiress. Jiang Ning was furious!She kicked these so-called family members one by one, sending them all flying!If they didn't accept her, she didn't care for them either!......Jiang Ning participated in a rural countryside live stream variety show.Her haters caught wind and came to greet Jiang Ning's entire family in the barrage of messages.But what they found was:Day one: Shock! Jiang Ning catches a thief on the street! A golden retriever runs over to help her.Day two: Jiang Ning snatches a child back from human traffickers with her bare hands! A bird publicly defecates on the traffickers' heads!Day three: Jiang Ning fights a criminal in a life-and-death struggle! A goose mocks them at the scene.Thief: “I had already finished stealing, and she still caught me. It's absurd.”Murderer on the run for sixteen years: “You might not believe it, but I just came to buy a bottle of water, and she came up to me with a big right hook.”A nice countryside live stream somehow turned into a legal synergy.The online audience crazily tagged the official police accounts:“Let's be honest, isn't she an undercover agent you dispatched?”“Jiang Ning's side job is entering the entertainment industry, but her main role is catching criminals, right?”A certain big shot attached a wedding photo: “Wife, mine.”

Have you ever thought that the state of the world as it presently is, could revert to the laws of the ancients? When a series of strange incidents beginning with the disappearance of his friend led Luo Yuan to question the possibility of an apocalypse, he becomes embroiled in the midst of a global-scale chaos.

Evolution has turned the flora and fauna of the vast and bountiful Earth into something that had never been seen before. Coincidentally, the all-dominating Homo sapiens have ended up at the bottom of the food chain. From mystery to crisis, will Luo Yuan discover a means of saving humanity by racing to the top of the food chain? Or will he strive in accordance with the law of the jungle? It is the dawn of an age of the survival of the fittest.

- Description from Novelupdates

The story is about a boy entering high school, who answers a strange call from a public phone one night. The caller challenges him to a bet: She’ll remove the birthmark which he sees as the cause of so many problems, and he’ll have fifty days to win the heart of a girl he’d considered far beyond his reach. And with this, a very strange summer begins.