Ranma 1/2 OVA 5: The One to Carry On: Part 1 (1994)

The one to carry on.

Following a string of food thefts, Akane heads out to find the culprits when she runs into the sisters Natsume and Kurumi who soon follow her to the Tendo Dojo. Seeing how hungry the pair are, the Tendos decide to take them in. However, the sisters then reveal that they're searching for their father, Soun Tendo!