Isabelle Daza teaches 'World's Hottest Math Teacher' a steamy version of 'Bato, Bato, Pick'

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Metro Manila (CNN Philippines) — Who knew an innocent child's game could get so sexy?

Actress Isabelle Daza posted Tuesday an Instagram video of her playing "Bato, Bato, Pick" with Pietro Boselli, the hunky Italian engineer known as the "World's Hottest Math Teacher."

But Daza added a little twist: the loser has to take off a piece of clothing.

The next few minutes get very entertaining, with Boselli stripping down to his briefs to flaunt his chiseled pecs and rock-hard abs.

Daza also didn't disappoint, showing off her gorgeous figure in a plum-purple swimsuit.

Boselli is in the country as the newest ambassador for local clothing brand Bench, where Daza also models.