The first person I ever dated was a cram school teacher the same age as my father. Ever since, Asuka Minami, a college student who can only fall for older men, has become a dried-up specialist. Recently, after being dumped by the older man she fell for, she was approached by someone in the AV industry. They suggested that if she wants to try younger men, it's better to go with a professional actor than an amateur, leading her to debut in AV. And now, in this work, she has her first sexual experience with a younger man. The satisfaction of the first time, taught by a lively penis, and the healing she seeks from older men. Which will her wavering heart choose?...