4 Gulali, also known as the Haruka Project, is an JKT48 sub-unit. They debuted during the JKT48 3rd Anniversary Live in Concert.
Feni Fitriyanti (May, 2016)
- Haruka Nakagawa (May, 2016)
- Martha Graciela (April, 2016)
- Sinka Juliani (September 2019)
- Syahfira Angela Nurhaliza (December, 2019)
- Ayana Shahab (December, 2019)
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