The arrow showed what anime characters they were inspired from. And if you ever asked me anything in-details, they all are original and in no way related to these fictional characters, let alone the series involved within its creation. And yes, I used AI to do this.
Surprised? Go figure it out by yourself.
1. Himari Saionji (Inspired from Kaguya Shinomiya)
2. Anastasia Yagami (Inspired from Alisa Mikhailovna Kujou)
3. Scarlet Vermillion (Inspired from Rias Gremory)
4. Mei Tsukishima (Inspired from Ai Hayasaka)
5. Ayaka Kurose (Inspired from Suzune Horikita)
6. Haruna Shinjo (Inspired from Kyoko Kirigiri)
7.Yui Kozakura (Inspired from Mai Sakurajima)
8. Akari Ryuzaki (Inspired from Yumeko Jabami)
9. Rina Kasuga (Inspired from Maki Nishikino)
10. Nao Suzumura (Inspired from Isshiki Iroha)
11. Sora Yuuki (Inspired from Yuuki Asuna)
12. Riko Futaba (Inspired from Chitanda Eru)