Disciple of a Demonic Cult 

Time travelling from the majestic era after the Recuperation of Reiki, he became Kimura Kazuki, a 16-year-old high school student in Japan, one year before the Reiki Recuperation.

Tentatively, he set out to hone himself to the bone, burning candles at both ends to stockpile resources in preparation for the imminent Recuperation of Reiki. His goal was to be many steps ahead of all humanity when the time comes.

However, it seemed like fate had decided to play a cruel trick on him.

One year later, the Recuperation of Reiki... did not happen as expected.

The Sword Deity in Tokyo

The Great Ancestor? Kimura Kazuki frowned as he looked at Sakanoue no Tamuramaro, who was three floors tall, standing before him.

"Shikigami?" While Kimura Kazuki remained considerably calm, Sei Shigeru seemed quite dumbfounded.

The method to improve one's combative power by becoming a shikigami was only developed 900 years ago. However, Sakanoue no Tamuramaro was more than 1,000 years old!

But, how did Sakanoue no Tamuramaro become a shikigami? Even though Sei Shigeru was utterly bewildered, he instantly regained his composure. Before the appearance of Sakanoue no Tamuramaro, he was mumbling to himself to summon the shikigami.

The Obsession With Everlasting Youth