Also known as: 雲居一輪, 云居一轮, 쿠모이이치린
The "Guarding and Guarded Giant Wheel".
Stage 3 mid-boss and boss of Touhou's Undefined Fantastic Object, and later a playable character in Hopeless Masquerade.
A youkai with the ability to use her nyūdō partner Unzan in combat. She is one of the followers of Hijiri Byakuren, whom she is trying to free. Ichirin is a Buddhist Nun, wearing a black Kesa, a blue Hood and a red Pendant. She has Blue Eyes and Blue Hair. In her hands, she holds a golden Ring/Hoop.
Appears to have developed a competitive rivalry and friendship with Mononobe No Futo as a result of their partnership in Antinomy Of Common Flowers.