Hanako with spiked ponytail? *combusts* Although I fret the technical difficulty with getting her looooong hair like that. *Imagines the hair accesories needed*
Considering the circumstances within which you drew these, the positives that can be said are that your baseline sketches do a good job distinguishing your ACC's appearances. Their hair especially helps them all stand apart. Faces are all the same, 'cept last one, but you were bored; weren't going for technical achievements.