2021 EP by Yoasobi
The Book is the debut EP by Japanese duo Yoasobi. It was released on January 6, 2021, through Sony Music Entertainment Japan,[2] the same date with their single "Kaibutsu", accompanied the second season of Beastars.[3] A concept of "reading CD" with binder package, the EP consists of all singles released from 2019 to 2020, including other track "Encore".[4] The track-by-track cover EP Mikunoyoasobi by Ayase with Vocaloid voicebank Hatsune Miku, was released on the same day exclusively at Tower Records Japan.[5]
Commercial performance
The Book debuted at number two on the Oricon Albums Chart, behind SixTones's 1ST,[6] selling 72,238 copies in its first week.[7] and 146,745 copies as of 2021.[8] It topped Oricon Digital Albums Chart for five consecutive weeks[9] and the year-end chart with 100,656 downloads in 2021 alone, becoming the only album to reach this milestone in the year.[10] For Billboard Japan Hot Albums, The Book entered at number two with 74,601 CD copies, and 10,069 download units.[11] The Book received a gold certification for both physical and digital release by Recording Industry Association of Japan (RIAJ).[12][13] All tracks of the EP except the intro and outro are also certified platinum or higher for streaming by RIAJ.[14]
Track listing
All tracks are written by Ayase