Characters offer interesting contrasts, their personality is shaped in believable way through their life experience. Exaggerated behaviour works well as a narrative tool highlighting the differences between characters gives strength to the story line.
Ok, I confess, I fell in love with Lucy/Nyu. She's horrible person, but there's a lot of things wrong in her life and she's a product of her experience. It's like Axel Sandermose's Fugitive Crosses His Tracks. But when confronted with Kohta's affection and forgiveness, she is a different person.
Regarding the soundtrack, oh I adore it. And now, excuse me, I am going to watch it again, sob and whine like a girl.
