The Book 2

The Book 2 is the second Japanese-language EP (third overall) by Japanese duo Yoasobi. It was released on December 1, 2021, through Sony Music Entertainment Japan, eleven months after their debut EP The Book (2021). It consists of eight tracks, preceded by their all singles released in 2021, and included the new song "Moshi mo Inochi ga Egaketara".

In support of the EP, the duo held their first face-to-face concert Nice to Meet You on December 4–5 at Nippon Budokan. Commercially, The Book 2 debuted at number two on the Oricon Albums Chart, and atop Billboard Japan Hot Albums and certified gold by Recording Industry Association of Japan (RIAJ).