Momoka, a female teacher who lives a simple life without a boyfriend in order to repay her parents' debts, is caught by a burglar who discovers her "lewd secret"... The man who breaks into her house again threatens to reveal her secret and rapes her, but her dry body begins to ache against Kokoro, and she begins to long for the man's visit. A priest and a criminal, an unforgivable rendezvous invited by the red umbrella... What action will Momoka take in the end? [Specially selected novel] Aoi Rinka's original novel "Red Umbrella" is adapted into a movie. A real teacher , Momoka Ogawa, is torn between reason and carnal desire...