Shaman King Red Crimson

Shaman King Red Crimson (SHAMAN KING レッドクリムゾン) is a manga series by Jet Kusamura and a spin-off to Hiroyuki Takei's Shaman King series. The chapters were serialized in Shonen Magazine Edge from June 15, 2018 to January 17, 2020.

About
Hoping to borrow money to restart his failing fuki farm, Usui Horokeu goes to visit Tao Ren. On the way, he is attacked by a Jiang Shi-using member of the mysterious Red Crimson organization. After being saved by Tao Jun and Lee Pyron, he learns of the conflict between the Red Crimson and the Tao Family, and of Iron Maiden Jeanne's death.