[I just want to quickly note that this list will be updated as the story goes on, and will always reflect the important characters going forwards...]
1. Kenji - Ayano's first friend
2. Kotonoha Katsura - Daughter of Manami Katsura, and Ayano's friend
3. Sekai Saionji - Ayano's close friend and daughter of Youko Saionji
4. Manami Katsura - Ayano's friend
5. Chisaki Haminora - Daughter of Yukari (Is a sea dweller)
6. Yukari Haminora - Mother of Chisaki , and a close friend of Ayano (Is a sea dweller)
7. Setsuna Kiyoura - An acquaintance of Ayano
8. Youko Saionji - An acquaintance of Ayano and mother of Sekai Saionji
9. Cat - ???? to Ayano.
10. Eli Jang - Ayano's master.