IR News Polaris Further Expands Portfolio with New Hotel in Mito-City, Ibaraki 2025.05.30 Last updated : 2025.05.30 admin_sae Polaris Further Expands Portfolio with New Hotel in Mito-City, Ibaraki Polaris-Further-Expands-Portfolio-with-New-Hotel-in-Mito-City-Ibaraki