Karaoke Surprise Wedding Song

Hello!

I want to start a secret project

I need karaoke version of anime song - but i want it Real. it is our with bf song, like a family memory

I looked on non-voice covers on internet and it has perfect vibe but it was made by ai so i refuse

what i need:
- nonvocal version of song "marriage toxin - opening 1", notessheet

in other words - "how to reduce lirics from song without generativing-ai?"