If you liked this
Games like Gong Go Girl
If you finished Gong Go Girl, the closest matches are Duppy Detective Tashia, Adventure of a Lifetime, Hira Hira Hihiru, Playback Trauma: In Sickness and Tsuki ni Yorisou Otome no Sahou. All 12 share its adventure genre and are ranked by how closely their themes and modes overlap.
