AI BunCho Sign up free
New Feature for Singers

A 30-Second Story MV from Your Own Singing.

Just upload your vocal track and a character illustration. We automatically detect the 30-second hook and generate Vocaloid-style lyric animations, AI MIX, and consistent character video cuts (9:16 / 16:9).

Make Cover MV (Free Preview)
Free 10-second preview. Includes copyright guidance for JASRAC and off-vocals.

Core Features

🎵
Automatic Hook Detection & Bar Alignment
Analyzes loudness and lyric repetition to find the 30-second chorus, aligned to the downbeat.
🔤
Vocaloid Lyric Animation & 3 Styles
Generates Vocaloid style (ghost trail), dynamic typography, and high-speed cuts simultaneously.
🎛️
AI MIX & Vocal Polish Chain
One-click noise reduction, compressor, YIN pitch correction, and reverb with A/B comparison.
🎨
Character Consistency
Uses a single illustration as the reference to keep the face and style consistent across cuts. Check the finished video for any cut that drifts.

How It Works (4 Steps)

1
Rights Check
Select instrumental source and verify copyright/master right declarations.
2
Upload Vocal & Art
Provide your vocal track, off-vocal instrumental, and character image.
3
Preview & Adjust
Check the 10-second free preview. Adjust polish, lyrics, and hook timing.
4
3 Variants & Post Kit
Export all 3 styles with ready-to-copy credits and platform kit.

⚖️ Rights Guidance & Copyright-Safe Usage Guide

AI BunCho ensures singers can post videos safely by following copyright and master recording rights regulations.

JASRAC / NexTone Blanket Licenses
  • YouTube, TikTok, and Niconico have blanket license agreements covering musical compositions.
  • Blanket licenses cover songs (lyrics/composition) only, not the master recording.
  • X (Twitter) does not have a blanket agreement; posting requires individual application or sharing YouTube links.
Off-Vocal Instrumental Rules
  • Use officially licensed or distributed off-vocal backing tracks.
  • Recordings from karaoke boxes (DAM, JOYSOUND) are strictly prohibited.
  • Vocals separated from commercial tracks using AI splitters are prohibited due to master recording rights.
  • Ensure vocals are your own genuine singing.
Platform Compatibility (Checked 2026-10-12):
YouTube: Blanket license active (Use self-made / authorized off-vocal)
TikTok: Blanket license active (Use self-made / authorized off-vocal)
Niconico: Blanket license active (Use content tree)
X (Twitter): No blanket license (Individual application or link sharing)

* This guidance is general copyright information, not legal advice. Please check JASRAC (J-WID) and NexTone for the latest status.

Start with a free 10-second preview.

Make Cover MV (Free Preview)

Next step

Start a song and music video in Studio

Start with the “Anime OP, 90 seconds” template

Free to sign up. A template opens with sample text in every field, ready to rewrite.

Related features

How-to guides