"Let's Run 12" was officially announced to be broadcast on April 19, and a street style poster of all staff was released "Let's Run 12" was officially announced to be broadcast on April 19, and a street style poster of all staff was released "Let's Run 12" was officially announced to be broadcast on April 19, and a street style poster of all staff was released "Let's Run 12" was officially announced to be broadcast on April 19, and a street style poster of all staff was released "Let's Run 12" was officially announced to be broadcast on April 19, and a street style poster of all staff was released