The truth is that I have never liked bad endings, I avoid those endings at all costs.
If I remember correctly, the first time I played this game when it was still in Japanese, I got to an ending where the protagonist managed to defeat the bad guys but was partially hypnotized, so now she wasn't wearing any underwear anymore and if they knew the phrases with the one she was hypnotized you could have her under control.
...
I love Remtairy games because even if you completely corrupt her protagonist there is a happy ending for her.
Sorry if something is not fully understood, I'm still learning English