In the year Taisho 16, while the dawn of civilization and enlightenment is felt, mysterious beings such as yokai and onmyoji still exist in the imperial capital. Suddenly, a mysterious duo appears, capable of transforming yokai into monstrous creatures known as "Akui." Young onmyoji Hiiiragi Yohaku stands against this duo, determined to protect the yokai. Alongside him is the small yokai Chimimaru, who has been transformed into an Akui. Keiki Ayumu, who seeks to drive out the onmyoji from the capital and promote civilization and enlightenment, also plays a key role. What is the true identity and purpose of this mysterious duo? A grand Taisho-era romantic action drama unfolds, where the thoughts and emotions of each character intersect.

◆ Surround and Attack Enemies! A New Sensation Yokai Action!

Surround and collect scattered magic stones on the screen! Trace your finger to encircle moving enemies and unleash the stored magic stones all at once!

◆ Utilize the "Surround" Technique to Gain the Upper Hand in Battle!

Create "Pairs" by encircling multiple magic stones of the same color simultaneously to increase damage dealt! Surround multiple moving enemies at once and launch a collective attack! Assess enemy movements and strategize your encircling order! Seize victory by using your own techniques and intellect!

◆ Collect Beautiful Yokai Cards! Renowned Artists Join the Fray!

Renowned artists such as Muririn and Kobuichi are joining the ranks! They will depict the yokai in the world of Kakotama with a mix of mystery and beauty!