Difunto literally means "deceased" or a "dead person". It’s a very dramatic word you won't often hear in a pop song.
In this bachata ballad, Prince Royce feels so empty and lifeless after his breakup that he sings, "Soy un difunto" (I am a dead person). He uses this powerful metaphor to describe the feeling of being emotionally dead, making his heartbreak feel incredibly raw and final.
Ever been so heartbroken you stay up until 2 AM writing a dramatic final letter to your ex? That's exactly where Prince Royce is in this song. He's been kicked out by his wife, and he feels like his whole life is destroyed. He's alone in a room, feeling like a ghost, writing down his side of the story in what he calls "Mi ultima carta" [My last letter]. He's trying to make sense of how their love story, which he calls a "novela" [novel], could have ended so badly.
This song is a rollercoaster of conflicting feelings. One minute he's promising, "Y aunque te vas / Por siempre te amaré" [And even though you're leaving / I will love you forever]. But then his anger takes over, and he says seeing her face only makes his hatred grow. He warns her that she'll regret leaving him, but by the time she comes back, he'll be gone. The song ends with a final, decisive twist: "Ya no te quiero... Ya se acabo" [I don't love you anymore... It's over now]. It's the sound of someone trying to convince both his ex and himself that he's finally ready to move on.