NDA Sketch Characters for Copyright

I need four original characters drawn in a simple sketch style for immediate inclusion in my copyright registration package. Because these drawings will become part of an intellectual-property filing, strict confidentiality is non-negotiable—please be ready to sign and return my NDA before we start... (Budget: ₹600 - ₹1500 INR, Jobs: Character Design, Digital Art, Graphic Design, Illustration, Illustrator, Photoshop, Procreate, Sketching)