Due to his obligations of running a traditional candy and toy shop and being a single father to his ex-wife's child, Shuuji Tanihara has reined in his carefree and animated personality. With little time or inclination for adventure, he's been on his best behavior lately. But everything changes when Takafumi Saji, the new pediatrician, visits his shop. Despite Takafumi's stern demeanor, which tends to scare his young patients, Shuuji finds himself drawn to the doctor and allows him to seduce him. What began as a time-pass fling, quickly escalates into a deeper connection that unsettles Shuuji. He finds himself grappling with unexpected feelings for Takafumi, leading him on an unfamiliar journey of self-discovery.