Alka Risei

 (アルカ・リセィ) is a former member of MAD MEDiCiNE, Yumeiro→Lloyd (As Kotobano Aya; 言葉乃あや) and ACR*0̸ (As Murasakino Aya; 紫ノ妖).

She joined MAD MEDiCiNE on July 25, 2022 and left on October 1, 2022 due to difficulties balancing her private and school life, making her unable to adjust to her work schedule.

Digital Singles

 * MAD GAME