Ranma ½: Yomigaeru Kioku

Tendou Akane suddenly remembers a trip to Ryugenzawa, when she was a small child.

While there she was saved from a giant platypus by Shinnosuke. Akane travels back to Ryogenzawa and once again meets Shinnosuke, who falls in love with her.

Akane blames herself for Shinnosuke's life-threatening injuries, and decides to stay and help out.