Kyoko shares with her daughter Marika the story of having nursed a classmate named Toji years earlier and invites the young man to join them for dinner. The evening rekindles a powerful attachment between Kyoko and Toji, while Marika finds herself increasingly preoccupied with thoughts of her new “big brother.” When Marika learns the full extent of their bond, she insists Toji decide between the two of them. Unaware of the fierce jealousy her mother harbors, Marika steps into a rivalry far more intense than she expects.
