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Games like Himitsu Chouhou Buin: 00Nanako-chan
If you finished Himitsu Chouhou Buin: 00Nanako-chan, the closest matches are Sexy Beach 3, Oppai Slider 2, Meltys Quest, VR Kanojo and Artificial Girl 3. All 9 share its adventure genre and are ranked by how closely their themes and modes overlap.
