NO! Gibusu should be the last file she should listen by shiina. I always asked people "Please tell me a good song by shiina" and they would always say the same 2 songs: Honnou and Gibusu. Because of it I hated shiina so much for such a long time because i was never a fan of those songs at all
I just got back into her after I listened to "koko de kisu shite" and a few other songs. Just after that I started liking Gibusu and Honnou. But well since the majority always seem to love Gibusu so such, i guess she could start by it then =/