It was released in celebration of Kudo's 20th anniversary since her solo debut on August 29, 2007,[1] through Pony Canyon.

The compilation includes a selection of Kudo's singles released up until "Amayo no Tsuki ni".

The limited edition comes with a DVD featuring the music videos for "Lotus (Umareshi Hana)", "Kokoro no Chikara", "Clāvis (Kagi)" and "Amayo no Tsuki ni", as well as a digest of Kudo's live performances.

The second disc includes three bonus tracks:[2] a cover of "Manjūshaka", originally sung by Momoe Yamaguchi, as well as self-cover recordings of Kudo's chart-topping "Koi Hitoyo" and the signature ballad "Mechakucha ni Naite Shimaitai".

Shizuka Kudo 20th Anniversary the Best debuted at number 25 on the Oricon Albums Chart, with 7,000 units sold.