Shinzanmono 2025 LIVE at THEATER MILANO-Za (新参者 二〇二五 LIVE at THEATER MILANO-Za) was a series of concerts featuring the "new comers (新参者)" of the Sakamichi Series: Nogizaka46 6th Generation, Hinatazaka46 5th Generation, and Sakurazaka46 4th Generation. It was held at THEATER MILANO-Z in the Kabukicho Towers. It is included in the Special Edition BD for Sakurazaka46's 14th Single "The growing up train"