Games like Heart Harvest: A Detective Game

If you finished Heart Harvest: A Detective Game, the closest matches are The Coffin of Andy and Leyley, Rhiannon: Curse of the Four Branches, Hello Charlotte Ep.2: Requiem Aeternam Deo, Hello Charlotte Ep.3: Childhood's End and Saeko: Giantess Dating Sim. All 11 share its adventure genre and are ranked by how closely their themes and modes overlap.