diff --git a/README.md b/README.md
index 6811ae7..00df9e7 100644
--- a/README.md
+++ b/README.md
@@ -267,5 +267,5 @@ msg-tool create -t <script-type> <input> <output>
 | Script Type | Feature Name | Name | Export | Import | Export Multiple | Import Multiple | Custom Export | Custom Import | Create | Remarks |
 |---|---|---|---|---|---|---|---|---|---|---|
 | `yuris-yscm` | `yuris` | Yu-Ris YSCM(opcodes metadata) file (.ybn) | ❌ | ❌ | ❌ | ❌ | ✔️ | ❌ | ❌ | |
-| `yuris-yser` | `yuris` | Yu-Ris YSER(error message) file (.ybn) | ❌ | ❌ | ❌ | ❌ | ✔️ | ❌ | ❌ | |
-| `yuris-yscfg` | `yuris` | Yu-Ris YSCFG(config) file (.ybn) | ❌ | ❌ | ❌ | ❌ | ✔️ | ❌ | ❌ | |
+| `yuris-yser` | `yuris` | Yu-Ris YSER(error message) file (.ybn) | ❌ | ❌ | ❌ | ❌ | ✔️ | ✔️ | ✔️ | |
+| `yuris-yscfg` | `yuris` | Yu-Ris YSCFG(config) file (.ybn) | ❌ | ❌ | ❌ | ❌ | ✔️ | ✔️ | ✔️ | |
diff --git a/src/scripts/yuris/yscfg.rs b/src/scripts/yuris/yscfg.rs
index ecb3eda..ab55811 100644
--- a/src/scripts/yuris/yscfg.rs
+++ b/src/scripts/yuris/yscfg.rs
@@ -50,6 +50,27 @@ impl ScriptBuilder for YSCFGBuilder {
     fn script_type(&self) -> &'static ScriptType {
         &ScriptType::YurisYSCFG
     }
+
+    fn can_create_file(&self) -> bool {
+        true
+    }
+
+    fn create_file<'a>(
+        &'a self,
+        filename: &'a str,
+        writer: Box<dyn WriteSeek + 'a>,
+        encoding: Encoding,
+        file_encoding: Encoding,
+        config: &ExtraConfig,
+    ) -> Result<()> {
+        create_file(
+            filename,
+            writer,
+            encoding,
+            file_encoding,
+            config.custom_yaml,
+        )
+    }
 }
 
 #[derive(Debug, StructPack, StructUnpack, Deserialize, Serialize)]
@@ -141,4 +162,39 @@ impl Script for YSCFG {
         writer.flush()?;
         Ok(())
     }
+
+    fn custom_import<'a>(
+        &'a self,
+        custom_filename: &'a str,
+        file: Box<dyn WriteSeek + 'a>,
+        encoding: Encoding,
+        output_encoding: Encoding,
+    ) -> Result<()> {
+        create_file(
+            custom_filename,
+            file,
+            encoding,
+            output_encoding,
+            self.custom_yaml,
+        )
+    }
+}
+
+fn create_file<'a>(
+    custom_filename: &'a str,
+    mut writer: Box<dyn WriteSeek + 'a>,
+    encoding: Encoding,
+    output_encoding: Encoding,
+    yaml: bool,
+) -> Result<()> {
+    let input = crate::utils::files::read_file(custom_filename)?;
+    let s = decode_to_string(output_encoding, &input, true)?;
+    let data: YSCFGData = if yaml {
+        serde_yaml_ng::from_str(&s).map_err(|e| anyhow::anyhow!("Failed to parse YAML: {}", e))?
+    } else {
+        serde_json::from_str(&s).map_err(|e| anyhow::anyhow!("Failed to parse JSON: {}", e))?
+    };
+    writer.write_all(b"YSCF")?;
+    data.pack(&mut writer, false, encoding, &None)?;
+    Ok(())
 }
diff --git a/src/scripts/yuris/yser.rs b/src/scripts/yuris/yser.rs
index a0487f0..4b92d35 100644
--- a/src/scripts/yuris/yser.rs
+++ b/src/scripts/yuris/yser.rs
@@ -50,6 +50,27 @@ impl ScriptBuilder for YSERBuilder {
     fn script_type(&self) -> &'static ScriptType {
         &ScriptType::YurisYSER
     }
+
+    fn can_create_file(&self) -> bool {
+        true
+    }
+
+    fn create_file<'a>(
+        &'a self,
+        filename: &'a str,
+        writer: Box<dyn WriteSeek + 'a>,
+        encoding: Encoding,
+        file_encoding: Encoding,
+        config: &ExtraConfig,
+    ) -> Result<()> {
+        create_file(
+            filename,
+            writer,
+            encoding,
+            file_encoding,
+            config.custom_yaml,
+        )
+    }
 }
 
 #[derive(Debug, StructPack, StructUnpack, Deserialize, Serialize)]
@@ -122,4 +143,39 @@ impl Script for YSER {
         writer.flush()?;
         Ok(())
     }
+
+    fn custom_import<'a>(
+        &'a self,
+        custom_filename: &'a str,
+        file: Box<dyn WriteSeek + 'a>,
+        encoding: Encoding,
+        output_encoding: Encoding,
+    ) -> Result<()> {
+        create_file(
+            custom_filename,
+            file,
+            encoding,
+            output_encoding,
+            self.custom_yaml,
+        )
+    }
+}
+
+fn create_file<'a>(
+    custom_filename: &'a str,
+    mut writer: Box<dyn WriteSeek + 'a>,
+    encoding: Encoding,
+    output_encoding: Encoding,
+    yaml: bool,
+) -> Result<()> {
+    let input = crate::utils::files::read_file(custom_filename)?;
+    let s = decode_to_string(output_encoding, &input, true)?;
+    let data: YSERData = if yaml {
+        serde_yaml_ng::from_str(&s).map_err(|e| anyhow::anyhow!("Failed to parse YAML: {}", e))?
+    } else {
+        serde_json::from_str(&s).map_err(|e| anyhow::anyhow!("Failed to parse JSON: {}", e))?
+    };
+    writer.write_all(b"YSER")?;
+    data.pack(&mut writer, false, encoding, &None)?;
+    Ok(())
 }