Ane Jiru 2 The Animation: Shirakawa San Shimai ni Omakase

Story 1: Yuu sneaks into Ryouko's room as she sleeps in the nude...

Story 2: In the morning, Anzu, the youngest sister, awakens to discover that she has a penis!? It is most likely a result of the cursed jar. Curious, Anzu touches her penis, but the stimulation feels so good that she can't stop. Kyouko, the eldest sister, walks in on that situation...