1. Aika Tsukishiro- The Main Character. (Female). (16).
2. Miyu Tsukishiro- Aika's elder sister. (Female). (21).
3. Riku Tsukishiro: Aika's elder brother. (Male). (18).
4. Mrs. Tsukishiro: Aika, Riku and Miyu's mother. (Female). (39).
5. Rina Hayashi: Aika's best friend. (Female). (16).
6. Reo Mizuhara: Aika's long-time friend. (Male). (16).
7. Yui Tanaka: Aika, Rina and Reo's classmate. (Male). (16).
8. Kenta Mori: Aika, Rina and Reo's classmate. (Male). (16).
9. Mika Sato: Aika, Rina and Reo's classmate. (Female). (16).
10. Haruto Takeda: Aika, Rina and Reo's classmate. (Male). (16).