Etsuko Yakushimaru
やくしまる えつこ
1987-06-03
Vocalist of Soutaisei Riron (相対性理論), she also does solo.
Her alternative names are Tika Alpha (ティカ・α) and TUTU HELVETICA.
Castings
Vocalist of Soutaisei Riron (相対性理論), she also does solo.
Her alternative names are Tika Alpha (ティカ・α) and TUTU HELVETICA.
