Touhou Kourindou is a part of the larger Touhou Project universe, created by ZUN. This series follows the story of Rinnosuke Morichika, the proprietor of Kourindou, a store that sells rare and unusual items. Set in the mystical land of Gensokyo, the series explores Rinnosuke's interactions with various characters from the Touhou universe, blending fantasy, mystery, and the supernatural.