The Karaoke Parlor Manager, a brown-haired man, operates a Tokyo establishment catering to both human and supernatural clientele. His business serves as the setting where Tatami-chan pursues her goal of becoming a karaoke expert. He appears during Tatami-chan's solo karaoke outing, part of her exploration of Tokyo. Later, he joins Tatami-chan and other supernatural entities for a group "monsters' night out," where financial matters during the outing become a point of discussion. His presence is also noted during a storyline involving other characters' use of social media photo filters.