Thanks for letting me know! Even though I always check everything so many times, mistakes like this slip through. I'll check it as soon as I can. （。＾▽＾）
(SPOILER) For ending 01, in the dialogue options, you have to choose "I can't forgive them".
First, you have to follow the route where you choose the "I can't forgive them" option, and then reject her ("get away from her"). Basically, reject everyone, including her.
