Wakana Gojou is exceptionally skilled at making their clothes but also a reserved high school freshman without friends. His finesse with the sewing machine is soon discovered by his beautiful classmate Marin Kitagawa, whose boldness and honesty Gojou both admires and envies. She likes to cosplay as characters from erotic video games but cannot sew her own costumes, leading her to seek Gojou's expertise. Thus, although polar opposites, their relationship slowly blossoms through their aptitude in helping each other.