diff --git a/lib/domain/models/charts/chart_gender_model.dart b/lib/domain/models/charts/chart_gender_model.dart
new file mode 100644
index 000000000..e31361544
--- /dev/null
+++ b/lib/domain/models/charts/chart_gender_model.dart
@@ -0,0 +1,14 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:shiori/domain/enums/enums.dart';
+
+part 'chart_gender_model.freezed.dart';
+
+@freezed
+class ChartGenderModel with _$ChartGenderModel {
+  const factory ChartGenderModel({
+    required int maleCount,
+    required int femaleCount,
+    required int maxCount,
+    required RegionType regionType,
+  }) = _ChartGenderModel;
+}
diff --git a/lib/domain/models/models.dart b/lib/domain/models/models.dart
index 74e492e4e..fd1e69431 100644
--- a/lib/domain/models/models.dart
+++ b/lib/domain/models/models.dart
@@ -19,6 +19,7 @@ export 'charts/chart_ascension_stat_model.dart';
 export 'charts/chart_birthday_month_model.dart';
 export 'charts/chart_character_region_model.dart';
 export 'charts/chart_element_item_model.dart';
+export 'charts/chart_gender_model.dart';
 export 'charts/chart_top_item_model.dart';
 export 'custom_builds/custom_build_artifact_model.dart';
 export 'custom_builds/custom_build_model.dart';
diff --git a/lib/domain/services/genshin_service.dart b/lib/domain/services/genshin_service.dart
index 45854f6e8..a69a191aa 100644
--- a/lib/domain/services/genshin_service.dart
+++ b/lib/domain/services/genshin_service.dart
@@ -98,7 +98,10 @@ abstract class GenshinService {
   List<ChartElementItemModel> getElementsForCharts(double fromVersion, double untilVersion);
   List<ChartAscensionStatModel> getItemAscensionStatsForCharts(ItemType itemType);
   List<ChartCharacterRegionModel> getCharacterRegionsForCharts();
+  List<ChartGenderModel> getCharacterGendersForCharts();
+  ChartGenderModel getCharacterGendersByRegionForCharts(RegionType regionType);
   List<ItemCommonWithName> getCharactersForItemsByRegion(RegionType regionType);
+  List<ItemCommonWithName> getCharactersForItemsByRegionAndGender(RegionType regionType, bool onlyFemales);
 
   List<CharacterBirthdayModel> getCharacterBirthdays({int? month, int? day});