Games like Trans'2: Boku to Atashi to Koibito to

If you finished Trans'2: Boku to Atashi to Koibito to, the closest matches are Summertime Saga, Fetish Locator: Week Two, Taffy Tales, Sex and Hoshizora no Memoria -Eternal Heart-. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.