Games like Hook Up: The Game

If you finished Hook Up: The Game, the closest matches are Monomagia Cantabile, Miyeon-si Simyulleiteo: Misonyeo Geimui Juingongeul Jojonghaneun Geim, Seven Deadly Dates, Eye of the Moon and Lacuna III. All 7 share its adventure genre and are ranked by how closely their themes and modes overlap.