Here are some short information about the characters of Othello. Because this series is still pretty new and will hopefully run for a long time, I guess there will be more characters coming, so I'll update this section with the time.
Yaya - Our main charcter
This place contains some spoiler, but I tried to hold myself back. For more spoiler, check out the translations or read my Manga summaries.
Nana - Yaya's strong Alter-Ego
Moriyama-kun - the boy Yaya likes
Shohei - singer of the former band "Juliet"
Seri and Moe - Yaya's "friends"
Megumi - Yaya's love rival
Blackdog - Moriyama's band