Tohiko is a young man who wanders the streets at night with nowhere to go and no desire to live, when he is picked up by a good-looking man named Ko. In return, he offers him some erotic services, but Kou notices that he can't purr (or moan). Tohiko's heart begins to open up to Ko, who tries all sorts of things to make him purr. ......? The training for ‘purring’ is beyond the ceiling!

A former elite businessman who sucks at living and a young man with a reason for wanting to disappear. They seek each other to fill the loneliness they hold in their hearts. ----- Love lessons to ‘purr’ begin. !!!!