You missed the other tsundere done right in Ranma 1/2 OP.
>Ukyo was the only one accepting Ranma after he lost his strength
I don't think you've read Ranma 1/2 recently.
Ukyo's reaction to Ranma losing his strength was "Oh well, you can marry me and be my househusband now!"
Akane, on the other hand, immediately started fighting Happosai to try and help get Ranma's strength back, and then when it looked like the chart was lost was willing to drop everything and go with Ranma to help him get it back.
I do remember that.
Well, I guess I interpreted it more like "I want a strong fiancee and since I'm stuck with him and I can't flee like the other girls, I'm gonna have him be strong again", but that may have been my biased view at the time.
Still, Ukkyo can cook so there's that.
>I want a strong fiancee and since I'm stuck with him and I can't flee like the other girls, I'm gonna have him be strong again
Wow, you couldn't have misinterpreted more if you'd tried.
The point is that Ukyo was more considered with her happiness. Ranma losing his strength, in Ukyo's opinion, invalidated the reason behind the arranged marriage between Ranma and Akane. (To ensure their schools of martial arts had a future) So her claim now took presidence. She really didn't care that Ranma would be miserable without his strength.
By contrast, Akane's reaction is to immediately try and help fix the problem.