Yui Kazami is a central character in the romantic comedy manga series 'Parfait Tic!'. Known for his calm and composed demeanor, Yui initially comes across as aloof and distant. However, as the series progresses, it becomes evident that he is deeply caring and often puts the needs of others before his own. Yui is part of a love triangle with the protagonist, Fuuko Kameyama, and his cousin, Daiya Shinpo. His introspective nature and hidden vulnerability make him a complex and intriguing character, contributing significantly to the emotional depth of the series.