Games like Second Novel: Kanojo no Natsu, 15fun no Kioku

If you finished Second Novel: Kanojo no Natsu, 15fun no Kioku, the closest matches are Until Then, 428: Shibuya Scramble, Clannad, Snow of Spirit and Bara no Ki ni: Bara no Hanasaku. All 8 share its visual novel genre and are ranked by how closely their themes and modes overlap.