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The day the album comes out-December 24th-is not just Christmas Eve for Siero.
For Siero, who was born on January 4th, 2006, that day had also once been his original due date.
Because of that 11-day difference, maybe I'm living a life different from the one I was originally meant to live. But to me, the life I'm meant to live exists only in the moments I'm living right now.
In the same way, everyone's life has countless branching points. Some are visible to us, while others slip by without us ever noticing. Thinking "If only I had done this," or "I wish I could go back" is a perfectly natural feeling.
But for the Siero of today, those thoughts no longer matter. While living a life shaped by countless butterfly-effect moments, he arrived at the belief that "no moment was ever wasted."
This is the work Siero releases at the end of his teenage years-
A record of how he has lived, and how he is living now.
All of those emotions are written down, with nothing hidden.
Born on January 4, 2006. Siero is a rapper and artist from Tokyo, Japan. He began his music career on his 17th birthday. With an unpredictable and distinctive flow, alongside lyrics that strip impulses and inner conflicts down to their raw essence, he quickly emerged as a unique presence within the scene. In 2024, he released THE GOAT TAPE 3. The following year saw the release of Not In Streets, further refining and solidifying his artistic identity. In the same year, he also collaborated with jellyy on the joint EP DON'T PLAY WITH US, accelerating his momentum while continuously evolving through each project and entering new creative phases. On December 24, 2025, he released his album THE GOAT TAPE 4. Arriving at the end of his teenage years, the project encapsulates the experiences and turning points that shaped his journey, while serving as a definitive snapshot of Siero in his current form. In February 2026, Siero held his first-ever solo concert at CIRCUS Tokyo. Tickets sold out immediately. In April 2026, he was selected as a New Comer performer for POP YOURS 2026. Alongside Kianna, HARKA, and AOTO, he also released the POP YOURS original track Starlight. Although his set at the festival lasted only five minutes, his commanding performance left a lasting impression, even trending across social media. Continuing to push his evolution forward, Siero remains on a rapid ascent as one of the most exciting emerging artists of his generation.