Shigeaki Yashiro values his solitary lifestyle, relishing in activities like solo karaoke sessions and peaceful hot spring retreats. However, his preference for solitude is challenged when Kanon Hanamizawa, a popular girl at school, seeks his guidance in navigating her own interests and the pressures of societal trends. Reluctantly taking on the role of her mentor, Yashiro is drawn into the lively world of Hanamizawa's popular circle, discovering that even a lone wolf can learn from the social interactions of others.