Twenty Twenty, a limited-time unit consisting of 75 members belonging to Johnny's Jimusho, brings a charity song as a part of "Smile Up! Project" established to prevent spread of COVID-19. The title song is wirtten by Kazutoshi Sakurai (Mr.Children). Also includes "Wash Your Hands" as a B-side track. Comes with a bonus DVD featuring a music video & a lyric video for the title song, a documentary on recording. Comes with a 96-page booklet. Available only until the end of 2020 (UTC+9).