Helma Sonya (Trainee Candidate) attended Trainee and Trainee Candidate qualifying round for "JKT48 Janken Tournament" this year, but unfortunately still not active JKT48 activities.
Helma (Calon Siswi Pelatihan) pernah mengikuti acara babak penyisihan Siswi Pelatihan dan Calon Siswi Pelatihan JKT48 Janken Competition tahun ini, namun sayangnya masih tidak aktif dari kegiatan JKT48.