Games like Hiatari Ryoukou!

If you finished Hiatari Ryoukou!, the closest matches are Steins;Gate: Linear Bounded Phenogram, Clannad, Princess Princess: Himetachi no Abunai Houkago, Suzumiya Haruhi no Yakusoku and Kimagure Orange Road: Natsu no Mirage. All 9 share its visual novel genre and are ranked by how closely their themes and modes overlap.