This episode presents two tales of surprising intimacy. In a fantasy realm, a Hero stumbles upon the Demon King's secret stash of adult toys, leading the two enemies to resolve their eternal conflict through sexual reconciliation. Meanwhile, in the modern world, a socially awkward man at a mixer discovers the hidden lust of a prim woman and finds an unexpected connection with a blunt "gal" over their shared love for light novels, eventually leading them toward a love hotel.
After a night of drinking leads the protagonist and Galko to a love hotel, the situation escalates when Galko invites her friends, Sasemi and Bicchan, to join them. Through a series of passionate encounters, the protagonist discovers that both Sasemi and Galko have hidden feelings and a surprising lack of romantic experience. The wild night concludes with Galko declaring that their intimacy means he must now take responsibility for her until marriage.