On December 20th, Watanabe Entertainment announced that comedian trio Hanaco's Okabe Dai and Kikuta Tatsuhiro have also tested positive for COVID-19. 

Okabe and Kikuta were not considered to be persons of close contact when Akiyama Hiroki was confirmed to have the virus on December 18th. Just to be sure, however, they took the PCR test and the results came back positive on the 19th. Currently, they are both displaying normal temperatures at 98.06°F (Okabe) and 97.7°F (Kikuta). Following the instructions of the health center, they will continue to observe their symptoms while recuperating from the virus.