The lyrics perfectly suit Haruka's persona.
I think that she sings it the best she can. And I admit that Haruka is not always the best singer, but she really seems to capture the dominating feeling of this song.
I agree that Haruka captures the dominating feeling of
I want, but she sings it with a wrong voice! Such voice suits
Kiramekirari or
STAR to STAR, but not
I want! In addition, I don't think the lyrics suit Haruka. They suit Chihaya-Master very well (maybe too well). To me, Haruka is bright and cheerful girl and song that perfectly suits her is
Kanashimi yo konnichiwa, I always recollect episode 24 of ANIM@S when listening for it.
Whose versions of
I want do you like and why?