Blood type: O

Otsuka made her own song at the age of 5. Learned acoustic guitar at 18, went to auditions like its street lives (seeing judges as customers who would definitely be there), and learned electric guitar one month before BanG Dream! audition. She has been freelancing since July 2022.

Twitter: @Sae_Otsuka
Instagram: @o_t_s_u_k_a_s_a_e
YouTube: @saeotsuka_official
Blog: Ameblo