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ONE Championship: Could 17-year-old Smilla Sundell be muay Thai's most dangerous female?

This Swedish teenage girl is fighting for a world title on April 22 and could probably kick your ass.

During this time of the year, many 17-year-olds are busy planning making after-prom party arrangements with their friends and figuring out summer plans. Not Smilla "The Hurricane" Sundell. 

Instead, the Swedish phenom is working hard at Fairtex Training Center in Pattaya, Thailand, with the hope of becoming the youngest titleholder in ONE Championship history.

The teenager is scheduled to challenge hard-hitting 24-year-old star Jackie Buntan for the inaugural ONE women's strawweight muay Thai world championship in the co-main event of "ONE: Eersel vs. Sadikovic" on April 22.

Many young, blue-chip talents could be overwhelmed by the immense pressure and magnitude of the occasion, but not Sundell. In fact, she seems laser-focused on leaving the Singapore Indoor Stadium with gold around her waist.

"I hate losing," she said. "I will become aggressive. I will finish her, and I will become a world champion."

That teenage aggressiveness has been displayed throughout her career, earning her a 32-5-1 professional record with 22 of those victories coming via knockout.

And while it's surprising to see that even at such a young age, she has already competed in more bouts than most MMA fighters ever will, it's perhaps even more shocking to know that she once fought a male muay Thai practitioner – Bongsak Sitpholek – and defeated him inside a single round.

"I won by body punch," Sundell said.

That was only a sample size, though.

Fans got a stronger taste of the Swede's punishing forward-moving style when she put on the four-ounce MMA gloves and made her promotional debut against Diandra Martin in a 128-pound catchweight muay Thai fight at "ONE: Full Circle" this past February.

Sundell ripped through the Aussie with a torrent of punches, push kicks, and body shots, even knocking down her taller rival once in each of the opening two rounds. Ultimately, a straight left to the head in the third stanza dropped Martin for good, giving Sundell a decisive TKO victory.

Perhaps what made it all the more impressive was Sundell's composure.

Many athletes who debut in major organizations like ONE Championship and UFC freeze under the bright lights, but that moment didn't faze the teenager, who handled the occasion like a true veteran.

"When I went into the ring, I was very excited," Sundell said. "But I knew I was going to do well, even though it's a new stage, a new place. I still had the confidence."

The skill set, poise, and killer instinct made an impression on the ONE Championship matchmakers, who obviously felt she was ready to challenge the surging Buntan for the inaugural ONE women's strawweight muay Thai world title on April 22.

And from the looks of it, this teenager isn't cutting any corners.

Sundell's offense has been well documented, but in recent days, there have been a plethora of social media videos floating around that show the Swedish sensation taking body shot after body shot with a smile on her face. In some of those clips, she is even chuckling.

So while most 17-year-olds are counting down the days for school to end, "The Hurricane" is preparing hard in the gym for her big night in Singapore and doing everything she can to achieve her dream in ONE Championship.

The teen won't be alone either. She'll have her father, sister, and trainer right by her side.

"I think having my family there will give me more motivation," Sundell said. "I think if I win this world title, I will run to my dad and my sister crying – but happy tears."