Shiori is considered the "center" of the group.  She's not exactly the leader, but was placed as the center due to her exceptional singing voice. She has a more alto-high range, balancing as the middle range out of the three. She represents the color pastel purple.

Personality wise, she's more assertive and pretty sassy. She has a short temper, but overall she can be sweet. It just depends on the person.

On stage, she's acts pretty cute and energetic due to their group concept. Not that she hates how to act, but usually she wouldn't be overly cute