The Sins (Haikyuu Gang AU)

"Hello, I am Terra Felgate, and I am currently at another crime scene, caused by The Sins. Witnesses say they saw a group of around seven men, walk around this very corner, before running into another gang. From then, a full on shoot out occurred, leaving all the other gang members, dead. Witnesses also say The Sins left, running down towards Jarrison Street. Please, if you live in the surrounding area of Jarrison Street, lock all your windows and doors, because The Sins are on the prowl, tonight."

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The Sins, a notorious gang of criminals, each resembling the one of the deadly sins.

Greed
Lust
Gluttony
Pride
Envy
Sloth
And Wrath, their leader.

This group has been the cause of many murders, thefts, kidnappings, and many other crimes. And when they're on the prowl, they'll kidnap anyone who's door or windows aren't locked.

A group of boys, having fun together at a slumber party, living in bliss, they forget the one thing that their parents have drilled into their heads, "Lock the doors and Windows."