Games like Simple 1500 Series Vol. 36: The Renai Simulation - Natsu-iro Celebration

If you finished Simple 1500 Series Vol. 36: The Renai Simulation - Natsu-iro Celebration, the closest matches are Wipeout, Kouyasai: A Sherd of Youthful Memories, Tokimeki Memorial 2, Pet Pet Pet and Aquanaut's Holiday 2. All 10 share its simulator genre and are ranked by how closely their themes and modes overlap.