diff --git a/comfy_api_nodes/apis/bytedance.py b/comfy_api_nodes/apis/bytedance.py
index 03f4c445b..47f24586c 100644
--- a/comfy_api_nodes/apis/bytedance.py
+++ b/comfy_api_nodes/apis/bytedance.py
@@ -158,8 +158,9 @@ class SeedanceCreateAssetResponse(BaseModel):
 
 
 class SeedanceVirtualLibraryCreateAssetRequest(BaseModel):
-    url: str = Field(..., description="Publicly accessible URL of the image asset to upload.")
+    url: str = Field(..., description="Publicly accessible URL of the asset to upload.")
     hash: str = Field(..., description="Dedup key. Re-submitting the same hash returns the existing asset id.")
+    asset_type: str | None = Field(None, description="BytePlus asset type. Defaults to Image server-side when omitted.")
 
 
 # Dollars per 1K tokens, keyed by (model_id, has_video_input).
diff --git a/comfy_api_nodes/nodes_bytedance.py b/comfy_api_nodes/nodes_bytedance.py
index e08fc0b01..1b4abafe6 100644
--- a/comfy_api_nodes/nodes_bytedance.py
+++ b/comfy_api_nodes/nodes_bytedance.py
@@ -2,11 +2,12 @@ import hashlib
 import logging
 import math
 import re
+from io import BytesIO
 
 import torch
 from typing_extensions import override
 
-from comfy_api.latest import IO, ComfyExtension, Input
+from comfy_api.latest import IO, ComfyExtension, Input, Types
 from comfy_api_nodes.apis.bytedance import (
     RECOMMENDED_PRESETS,
     RECOMMENDED_PRESETS_SEEDREAM_4,
@@ -308,6 +309,26 @@ async def _seedance_virtual_library_upload_image_asset(
     return f"asset://{create_resp.asset_id}"
 
 
+async def _seedance_virtual_library_upload_video_asset(
+    cls: type[IO.ComfyNode],
+    video: Input.Video,
+    *,
+    wait_label: str = "Uploading video",
+) -> str:
+    buf = BytesIO()
+    video.save_to(buf, format=Types.VideoContainer.MP4, codec=Types.VideoCodec.H264)
+    video_hash = hashlib.sha256(buf.getbuffer()).hexdigest()
+    public_url = await upload_video_to_comfyapi(cls, video, wait_label=wait_label)
+    create_resp = await sync_op(
+        cls,
+        ApiEndpoint(path="/proxy/seedance/virtual-library/assets", method="POST"),
+        response_model=SeedanceCreateAssetResponse,
+        data=SeedanceVirtualLibraryCreateAssetRequest(url=public_url, hash=video_hash, asset_type="Video"),
+    )
+    await _wait_for_asset_active(cls, create_resp.asset_id, group_id="virtual-library")
+    return f"asset://{create_resp.asset_id}"
+
+
 def _seedance2_price_extractor(model_id: str, has_video_input: bool):
     """Returns a price_extractor closure for Seedance 2.0 poll_op."""
     rate = SEEDANCE2_PRICE_PER_1K_TOKENS.get((model_id, has_video_input))
@@ -2106,7 +2127,7 @@ class ByteDance2ReferenceNode(IO.ComfyNode):
             content.append(
                 TaskVideoContent(
                     video_url=TaskVideoContentUrl(
-                        url=await upload_video_to_comfyapi(
+                        url=await _seedance_virtual_library_upload_video_asset(
                             cls,
                             reference_videos[key],
                             wait_label=f"Uploading video {i}",