Games like Koushinchou Shoujo: XL na Kanojo ha H na Nayami de Ippai!

If you finished Koushinchou Shoujo: XL na Kanojo ha H na Nayami de Ippai!, the closest matches are Artificial Academy 2, Sexy Beach 3, If My Heart Had Wings, Oppai Slider 2 and Artificial Girl 3. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.