Games like Aru Kanrinin no Koi: Spring + Summer

If you finished Aru Kanrinin no Koi: Spring + Summer, the closest matches are Steam Prison, Shota Kare!, Dorico no Toshokan, Diabolik Lovers: Lost Eden and Zettai Kaikyuu Gakuen Shiawase-iro no Tobira. All 9 share its visual novel genre and are ranked by how closely their themes and modes overlap.