Metro

‘Slave’ reveals torment at learning about leather lad’s new love

BARE DETAILS: Frankie Santiago (above, yesterday) talks of how her S&M relationship with Edward Sonderling ended up on Page 1 of yesterday's Post.

BARE DETAILS: Frankie Santiago (above, yesterday) talks of how her S&M relationship with Edward Sonderling ended up on Page 1 of yesterday’s Post.

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She’s no Anastasia Steele.

Unlike the bondage novice in the hit book “Fifty Shades of Grey,’’ the longtime fetish slave of a Manhattan investment banker yesterday told The Post that she went into her own sex-slave role with her eyes wide open.

“I like leather and latex,” said Frankie Santiago, 27, who eagerly did the kinky bidding of bondage-loving beau Edward Sonderling before the pair’s relationship imploded.

The petite, pretty Santiago spoke at her family’s Bergenfield, NJ, home a day after she was arraigned on charges of stalking, criminal mischief and harassment after a bitter breakup with Sonderling.

While she was reluctant to talk about her own passion for the kinky lifestyle, Santiago had no problem effusing about the man she fell in love with in sex dungeons and orgy-fueled parties.

“He had this reputation before he dated me — his reputation preceded me,’’ she said. “So when he started coming on to me and pursuing me, I was really flattered.

“He was attractive. I wanted to fall in love.”

She said Sonderling, 53, took great pains to keep up his looks — and it showed.

“He wants to . . . retain his youth,” she said of the still-hunky middle-aged man.

She said Sonderling “wants people to see him as this S&M god, this king . . . Mick Jagger.”

Santiago insisted that her relationship with Sonderling — who runs Priority Investors LLC from the same Sutton Place apartment where he delivered Frankie’s daily spankings — was not all whips and chains.

S&M is only one part of the “party scene,” she said.

“We actually [had] a real life together. We’re friends. We like to wear costumes. We party together.

“I was a fashion student, I like the costumes. I like leather and latex. Lady Gaga wears leather and latex.

“We [did] things together. We [went] places.”

Santiago said the pair began to have problems because of their 25-year age difference.

“The relationship was over a year ago when I told him I wasn’t sure about his age.

“And then he said, ‘No, you’re different, you’re special.’ And I did feel that. That’s why it lasted so long,” she said.

Things finally went south because “it was how he treated me. It was how he was to me, how he could just coldly say, ‘This is where I’m going to be at this point in my life. Goodbye.’

“The fight with ‘Eddo’ happened after a party because I had no idea that the relationship was over,” she said.

“I don’t give a f–k about the other women, because there are tons of other women. Tons.

“He’s a very successful man. He’s going to have a lot of women.”

But after she learned he was allegedly training his whip on one particular new girl last month, that was it.

Santiago allegedly exploded in a fit of rage — shattering Sonderling’s car windshield and bombarding him with threatening texts.

“OK, we got into an argument. A car window broke. Who cares? it broke,” she admitted.

Sonderling was not in a chatty mood as he left his East 57th Street apartment yesterday, looking rumpled in an ill-fitting suit.

“Don’t ask me questions,” he snapped.

Friends and neighbors agreed that Sonderling — who loves to pose in his bare-chested, naughty leather outfits — is youth-obsessed and spends hours working out at a gym.

“He’s a pretty boy. All he knows how to do is doll himself up,” said one source familiar with Sonderling’s underground lifestyle. “He’s extremely vain. It’s all about his image, his persona.”

Santiago said she was stunned when she learned from cops that Sonderling had filed a complaint against her — especially since it might expose his secret sex life to investment clients.

“I mean, didn’t he at least worry about his lifestyle [becoming public]?” Santiago said.

She added that her life with Sonderling was nothing like the bondage fantasy of the Steele and Christian Grey characters in “Fifty Shades.”

“I’m sure people want so badly to believe that that book is real. I don’t give a s–t,” Santiago said.

Additional reporting by Amber Sutherland