http://www.absoluteastronomy.com/topics/Sesshomaru

I think I have a problem

The one example I have for now is Sesshomaru and Kagura;

1. Kagura becomes a protagonist

I am pretty sure that it was in chapters 368-374 that Kagura changes sides, betraying Naraku, Hakudoushi and Muromaru (Naraku's incarnation; and I know muromaru is spelled wrong).

2. Naraku returns Kagura's heart

In these chapters as well, Naraku meets up with Kagura and returns her heart to her; then he peirces her with his tentacles (?) and injects her with his poisonous miasma, killing her slowly.

3. Kagura was in love with Sesshomaru

Sesshomaru meets with Kagura but is unable to save her with Tenseiga. Kagura thinks that Sesshomaru came for her because she smells of Naraku, but Sesshomaru tells her that he knew it was her. Kagura's final words were "in the end, I got to see you"

Thats it for now... but you see the difference of portrayal.

This is chapter 368 here http://www.onemanga.com/Inuyasha/368/01/

and this is the exact page where Kagura says "in the end, I got to see you" - http://www.onemanga.com/Inuyasha/374/13/