>>50204676
Because she's a realistically spoiled brat. She's got a lot of the signs of someone with covert narcissism, and Yamanaka has experience with writing about the more grandiose versions before her. It doesn't hurt either that Arisa Kori is a godtier vocalist able to put a lot of nuance into her singing because of her insane vocal control. I'd argue she's probably one of Milgram's best alongside Arthur Lounsbery.
>After Pain and It's Not My Fault were incredible but I was disappointed by Pain
Probably because Pain is less of a song and more of an acting performance. There's a lot more sing-talking and speaking in Pain than her first two songs, plus it just straight up recycles After Pain in the final part. It's great when paired with the video, but hard to put on as a music track only.