月刊少年マガジン
Another manga installment, titled "Dear Boys: Act 4", began serialization in Kodansha's "shōnen" manga magazine "Monthly Shōnen Magazine" on October 6, 2018. Act 4 would later receive a prequel, titled "Dear Boys Shōnan Dai Sagami Special Selection", that would begin digital serialization in "Monthly Shōnen Magazine" on February 6, 2019.