Games like Full Kiss

If you finished Full Kiss, the closest matches are Steins;Gate: Linear Bounded Phenogram, Clannad, Tsuki ni Yorisou Otome no Sahou, Muv-Luv Photonmelodies and KonoSuba: God's Blessing on this Wonderful World! Judgment on this Greedy Game!. All 6 share its adventure genre and are ranked by how closely their themes and modes overlap.