This is a triple reference: Hong Meiling refers to the case of YPF, an Argentine oil company, on May 25, 2020, YPF posted an advertisement to celebrate Argentina's May Revolution, using an arrangement of the Meiling song
The guy is Marley, a well-known Argentine TV presenter. in 2018, in his program "Marley around the world" in the episode dedicated to Japan, an image of Hakurei reimu appears in the foreground. also Marley's photos themselves are also a well-known meme. There is a rumor that Marley once said on twitter that he played touhou and liked it, but that tweet was never found.