Erotica author and college student Momoko is dating the popular model Ranmaru, but when Ranmaru's childhood sweetheart Rio's mother dies unexpectedly, he chooses to devote his time to supporting her through her grief. Momoko is starting to get the feeling that this might be the end of her relationship. What will happen when, in the midst of her despair, she decides to put pen to paper and make a novel out of her precious memories with Ranmaru? Find out in the touching climax of this erotic romantic comedy!