Nikorinbou is an anthropomorphic komainu guardian statue residing at a financially struggling Shinto shrine in Moonlight Town. He forms one half of a duo alongside Okorinbou. Together, they perpetually concoct impulsive get-rich-quick schemes in a desperate bid to rescue their shrine from poverty, though their plans consistently fail. This relentless pursuit of wealth defines Nikorinbou's role and drives his interactions. Their ongoing struggle against shrine poverty generates recurring comedic situations throughout the series, often entangling other Moonlight Town residents like Ojarumaru and Kazuma. Nikorinbou's character is intrinsically linked to Okorinbou, with their shared goal of shrine restoration forming the core dynamic of their appearances.