Ranma 1/2 Season 7, Ep. 151, The Kuno Sibling Scandal - Score
Found it! 

34:03 -35:46 Kenji Kawai - Come Back Here! [Chuugoku Nekonron Daikessen! Okite Yaburi No Geki]

Link: https://www.youtube.com/watch?v=BvSHGaoP43c