Character's baked in;

harukaze doremi, red hair, double bun

fujiwara hazuki, brown hair, brown eyes, ponytail, round eyewear

senoo aiko, blue hair, blue eyes, ahoge

segawa onpu, purple hair, purple eyes, side ponytail

asuka momoko, low hair rings, yellow hair

harukaze poppu, pink hair, pink eyes, short hair, short twintails, toddler

makihatayama hana, brown eyes, blonde hair, very long hair, low twintails