diff --git a/data/src/main/java/one/nem/kidshift/data/impl/ChildDataImpl.java b/data/src/main/java/one/nem/kidshift/data/impl/ChildDataImpl.java
index 0f97cf9..d1a9861 100644
--- a/data/src/main/java/one/nem/kidshift/data/impl/ChildDataImpl.java
+++ b/data/src/main/java/one/nem/kidshift/data/impl/ChildDataImpl.java
@@ -36,7 +36,21 @@ public class ChildDataImpl implements ChildData {
 
     @Override
     public CompletableFuture<ChildModel> getChild(String childId) {
-        return null;
+        return CompletableFuture.supplyAsync(() -> {
+            Call<ChildResponse> call = kidShiftApiService.getChild(childId);
+            try {
+                Response<ChildResponse> response = call.execute();
+                if (response.isSuccessful()) {
+                    assert response.body() != null;
+                    logger.info("子供取得成功(childId: " + response.body().getId() + ")");
+                    return ChildModelConverter.childResponseToChildModel(response.body());
+                } else {
+                    throw new RuntimeException("HTTP Status: " + response.code());
+                }
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        });
     }
 
     @Override
diff --git a/data/src/main/java/one/nem/kidshift/data/retrofit/KidShiftApiService.java b/data/src/main/java/one/nem/kidshift/data/retrofit/KidShiftApiService.java
index 705c160..3a9bd22 100644
--- a/data/src/main/java/one/nem/kidshift/data/retrofit/KidShiftApiService.java
+++ b/data/src/main/java/one/nem/kidshift/data/retrofit/KidShiftApiService.java
@@ -137,6 +137,15 @@ public interface KidShiftApiService {
     @Headers(AuthorizationInterceptor.HEADER_PLACEHOLDER)
     Call<ChildListResponse> getChildList();
 
+    /**
+     * 子供情報取得
+     * @param id 子供ID
+     * @return ChildResponse
+     */
+    @GET("/child/{id}")
+    @Headers(AuthorizationInterceptor.HEADER_PLACEHOLDER)
+    Call<ChildResponse> getChild(@Path("id") String id);
+
     /**
      * 子供追加
      * @param request ChildAddRequest