MASTER VERSUS APPRENTICE!Someone is plotting to take over Felind Kingdom, and they’ve hired an assassin to kill Princess Almelia. Naturally, Roland is tasked with protecting the girl; who better to keep her safe from an assassin than another one, right? However, Roland’s foe is no ordinary killer this time. It’s the very woman who taught him all he knows. Can the legendary assassin kill his master? Does he even want to?

A CRISIS ABROAD!Roland and his companions are called away to the Duchy of Bardenhawk to establish a new Adventurers Guild and help the nation rebuild after its collapse during the Human-Fiend War. Unfortunately, the locals are wholly unfamiliar with the concept of quests, so the former assassin has his work cut out for him. To make matters worse, aristocrats upset with Bardenhawk’s recent changes conspire to kidnap its princess, and they’ve hired the one person who may truly be a match for...

PRINCESS ALMELIA IS MARRYING THE MAN OF HER DREAMS… OR IS SHE? Roland’s dream of living a normal life is again put on hold when he’s tasked with guarding Almelia during a trip to meet her newly betrothed, Prince Fabian of Rubens. Along the way, the former assassin notices some curiosities that don’t quite add up, chief among them being Almelia herself. While she initially rejected Fabian at every turn, she suddenly seems utterly taken with him. Roland’s not about to let an old ally of his ...

HAUNTED BY PAST SINS…Rila never wanted to start a war with humanity. Yet it happened nonetheless, and the destruction still weighs on her conscience. While she longs for a way to make amends, a mysterious figure contacts her, offering the former demon lord redemption and then spiriting her away. Naturally, Roland and the others refuse to let anyone take Rila and set out to find her. Their search points them to Yorvensen, a country ruined by the Human-Fiend War. Supposedly, the dead have re...

FROM HERO TO ZERO? Roland is the world’s greatest assassin. With a seemingly worthless skill, he managed to kill the most powerful demon lord that’s ever lived. He could easily spend the rest of his days as a wealthy and famous man. Such extravagance doesn’t appeal much to Roland, however. He wants nothing more than an exceedingly normal life working at the Adventurers Guild, but such a unremarkable existence may not come effortlessly to someone so exceptional...

INVESTIGATING MYSTERIOUS TECHNOLOGIES!Roland’s victory over Amy came at a high price, and Rila’s collar was destroyed in the process. Hoping to repair the powerful item, the former assassin searches for its creator, which leads him to an old friend. Meanwhile, tragedy strikes in Rubens when its king is found dead. Only one of the greatest assassins in the world could have done this. It almost seems like Roland himself was responsible...

The invasion has begun. The Demon King's armies are bearing down on the humans, ravaging the main forces from country after country. The heroes from another world, once the students of Class 2-C, are fighting for their lives against impossible odds. But when a figure in a black robe and fly mask appears on the battlefield, will this mysterious person turn the tide? And how will Mimori Touka use his incredible abilities in the face of a continent-wide war?

Mimori Touka has made it out of the inescapable Ruins of Disposal using his so-called "useless" skills, and now he only has one thing on his mind--revenge! But the foul Goddess who sent him to his death is too powerful for a head-on attack. First, he needs someone to watch his back, and who better than the beautiful, fugitive elf princess who keeps crossing his path? The two outcasts make a great team, but terrifying enemies are closing in--including a knight named Civit Garland, the the s...

While Mimori's journey for revenge takes him all over this magical, dangerous world, his classmates are fulfilling their destinies as "heroes" by facing off against the hordes of the Demon King. Despite the cruel world she's found herself in, S-class hero and ex-class rep Sogou Ayaka still wants to protect her weaker classmates--from their enemies, and from the cruel whims of the Goddess. But when it's just her up against an army of monsters, can she even save herself?

In search of the Country at the End of the Word and its secrets of forbidden magic, Mimori Touka plunges back into the Land of the Golden-Eyed Monsters. But on the way he's confronted by perilous new foes: the descendants of previous heroes from another world! The E-class underdog must flex his "useless" skills in a battle against their Sword of Courage and leader, the indominable Lewin Seale.

After defeating the Sword of Courage, Mimori Touka finally arrives in the Country at the End of the World. Forbidden Magic is finally within his grasp--and it’s strong enough to break through the defenses surrounding the Goddess Vicius so that Touka can take his long-awaited revenge! But the Country at the End of the World has its own problems on the horizon: the strongest knights of Alion are about to invade. Can anyone stand against them?

As the final battle against Vicius draws near, Mimori Touka makes full use of his "worthless" skills to take revenge on his classmate, Oyamada Shougo. Unbeknownst to him, Vicius has realized his true identity as the hero she once disposed of. When the Goddess persuades Kirihara Takuto to attack Touka, the stage is set for an epic clash between two heroes who couldn't be more different!