The episode follows two separate stories of unexpected intimacy. Tagami's bout with a fever leads to a passionate encounter with the landlord's daughter, Sanae, who interprets his delirium as a marriage proposal. Meanwhile, Seita navigates his hidden feelings for his bubbly stepsister, Maho, eventually leading to a mutual confession of love and a deeply physical relationship.
This episode follows three different pairs as they give in to their physical desires. Hibiya turns a tutoring session with Yoshikawa into a risky secret encounter, Hiraoka fulfills his fantasy by becoming intimate with his favorite gravure idol, and Honoka attempts to prove the superiority of her curves to Ryousuke in a passionate encounter in the nurse's office.