THIS IS WHERE THE ODYSSEY OF Jan Carlos Ozuna Rosado — the reggaetón and Latin trap star known simply as Ozuna — began: in a modestly appointed, three-bedroom apartment above a bodega in San Juan, Puerto Rico. Outside, a trio of chickens poke around in the street and an old salsa tune wafts through the air. Ozuna’s grandmother, Eneida, shuffles between the porch and the kitchen. Ozuna, who is 25, grew up here, though the house is considerably more crowded now. Nearly a dozen people pass in and out, including a two-man security detail; Ozuna’s uncle, Felix, who became a father figure after Ozuna’s own died when he was 3; and Charlie, a one-time neighbor who now serves as Ozuna’s personal assistant and has Ozuna’s logo, a teddy bear, tattooed…
