Quality Assurance in Another World

Noel is the grandson of legendary Seeker Overdeath and dreams of surpassing his strength. But it turns out that Noel is nothing but a Talker, the weakest class of them all. Undeterred, he uses his silver tongue to gather allies, develop cunning strategies, and form the greatest clan around. Now, as the most notorious Talker, Noel will do whatever it takes to claim supremacy.

Fifty years ago, malevolent stones known as Dark Brings brought about the "Overdrive," a calamitous event that destroyed one-tenth of the world. In the present day, the nefarious organization Demon Card seeks the Dark Brings' power for their all but innocent intentions. Haru Glory, a sword-wielding silver-haired teenager, inherits the title of Rave Master: the person who wields the power of the legendary Rave Stones, artifacts capable of destroying the Dark Brings. However, the many Rave Stones were scattered across the globe as a result of the Overdrive, allowing Demon Card to continue their malpractices.

Overdevelopment and crowding in Japan has forced many of its indigenous spirits and ghosts to lose their homes. Due to problems caused by the homeless spirits, a new profession was created, the Ghost Sweepers (GS). Private exorcists for hire, they serve only the highest bidder to survive in the cutthroat corporate world. Among this, the Mikami GS Company, led by 20-year-old Reiko Mikami and her two assistants, the 17-year-old boy Tadao Yokoshima and the ghost girl Okinu, is said to be the best.

The story of a young man named Yakumo Fuuji, who through a strange series of events becomes the immortal slave of the last of a race of 3 Eyed immortals. The immortal absorbs his soul to save his life, making him immortal in the process. Now, he begins a journey with the female immortal in an attempt to find a way of becoming human. Of course, there are many complications along the way, not the least of which being that the immortal is a female with a split personality, one achingly cute and the other being no-nonsense destructive power, and the romances that develop between.