Oro: Night Raid's Nightmarish Killer of the Empire

Before the two of them were being sold to slavery by their parents and become assassins by the Empire, they once had a friend back then since childhood whom they remember as a sweet, kind and optimistic boy who the two sisters, Akame and Kurome, adored together, even having the childish dream of becoming his wife together as they tease him about his flustered reaction...

Then, there had been recent murders in the Empire, bewilderedly not done by Night Raid as these murders results in their victims being left strewn in an awfully gruesome ways that makes all but the hardiest of them all, vomit in absolute terror, nausea and pure agony...

After recent analysis on these mysterious serial killer known as, 'The Whistling Man', Night Raid finally cornered said serial killer to their next target although they bit off more than they could chew, unfortunately...

However, as one of Night Raid's members, Akame, is about to be killed by the killer themselves, she would be shocked that the serial killer that terrorized the Empire and kill more than they could have done combined...

... Is none other than her childhood friend...

"O-O-Oro!?"