Also known as: 鈴木山蝶子
A Touhou character created by the VIPPERs of 2channel for a fake Touhou game "Touhou Kandagawa". She also makes a brief appearance in Touhou Mother.
The VIPPERs used "安価 (anka)" and messed up her profile. The person who watched her for the first time cannot even pronounce her name.
Her theme song is "God Becomes Many Rivers - Toryanse".