The short PV for aiko's new single "Yokoku" has been uploaded onto her YouTube channel. 

"Yokoku" is the singer's 37th single that's scheduled for release on November 29. It's a number that aiko wrote because she wanted to have a positive attitude. In the PV, you can see her performing "Yokoku" with the band members in a backstage area of a theater. 

Source: natalie