Singer Masayoshi Ōishi's 1-Month Hiatus for Vocal Cord Polyp Surgery Delayed to This Month

Ōishi planned to have surgery a year ago, but delayed it due to COVID-19 state of emergency

source https://www.animenewsnetwork.com/news/2021-04-07/singer-masayoshi-oishi-1-month-hiatus-for-vocal-cord-polyp-surgery-delayed-to-this-month/.171516