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Installing the SE Extension

The SE extension is a free DLC. It must be downloaded and installed separately from the main package.

Steps​

  1. Add the following repository URL to VCC and install Modular Avatar.

    vcc://vpm/addRepo?url=https://vpm.nadena.dev/vpm.json

  2. Add the following repository URL to VCC and install VRCFury.

    vcc://vpm/addRepo?url=https%3A%2F%2Fvcc.vrcfury.com

  3. Import the latest version of lilToon into the Assets folder.

  4. Import both 3+1_PKG.unitypackage and 3+1_SE_EXT.unitypackage into the Assets folder.

  5. Open Assets/HINASAKI/3+1/3+1_Upload.unity.

  6. Drag and drop the SA_A2XL_R18 prefab from Assets/HINASAKI/A2XL_SE_Extension/Prefab/ onto 3+1 in the Hierarchy.

  7. Configure the shape keys of Basebody inside SA_A2XL_R18 to match the costume.

    Default costume (COS_A) values:

    Shape KeyValue
    adj_bust_cloth1100
    adj_pumps100
    opt_hekochiku10
Note

For the 3+1 Large variant only: On the MA Merge Armature attached to the Armature of SA_A2XL_R18, enable "Reset position to match source avatar" → "Also match scale" and apply.

  1. Open VRChat SDK → Show Control Panel from the Unity menu and upload.

Installing Language Extensions​

The SE extension expressions menu also supports Japanese, English, and Korean.

FileLanguage
3+1_SE_LANG_EN_EXT.unitypackageEnglish
3+1_SE_LANG_KO_EXT.unitypackage한국어
  1. Complete steps 1–6 above.
  2. Import the language extension .unitypackage into the Assets folder.
  3. Perform step 8 to upload.