Angelo covered "Dummy Blue" by D'erlanger for the 2017 D'erlanger Tribute Album ~Stairway to Heaven~. Their twelfth studio album, Evolve, was released on November 11, 2020. It was supported by The Forced Evolve tour, which began on November 17 and ended on January 10, 2021 at Tsutaya O-East. Angelo then began a tour titled The Countdown on April 30, which ended on July 13 following postponements due to the COVID-19 pandemic in Japan. They also performed a hall tour called Mephisto Decided from June 26 to August 1.
