She latched onto him and flapped her wings, flying out of the crowd just to gain some distance. "I'm going to ask you to do something. Don't freak out."

There was one barrier between this form she currently took and the horrifying one that happened when she took out her soul. She took one of his hands and placed it on the slit above her belly button and under her ribs. Sanji surely noticed a scar there, not thinking much of it, but she breathed low. Clearly it was a sensitive area. "Reach in there until you feel a small orb. Pull it out and hold onto it and don't let anything happen to it, you hear me?"

Just in case he couldn't bring himself to stick his hand inside her torso she got him started and pushed his hand in... in reaction to the feeling, letting out a noise of pleasure.

If he was shocked of her demonic appearance now...the one to come would probably stop him in his tracks.