After stalking one another, high school teacher Takatsu and former student Mizusawa finally start dating. Mizusawa, once a cheeky high schooler, is now a good-looking younger boyfriend to Takasu. A middle-aged man, Takasu isn’t accustomed to dating someone like Mizusawa and having his unrequited love requited. This volume is a collection of stories focusing on Takasu and Mizusawa as they date and build a life together over the years.