The title of the album is a pun on her first name, Ai, which is pronounced like the English word "I".

DVD Track list: The respective PVs for each of the songs listed for the CD Track list (The Music Clip for Track 13 「Love Music」 is the most recently filmed) First Pressing comes in a blister case and bundled with <愛ハンコ>, a specially made carved stamp.

The album debuted at the number one spot on the Oricon charts and sold more than 60,000 copies on its first day—six times more than the second place album of the day.

"Ai am Best" was re-released in a CD version limited press on 26 September 2007.

The Ai am Best DVD contains a secret hidden track which requires a code to unlock: With your DVD remote arrow buttons, press "Up" 9 times, then press "Right" 9 times, then press "Down" 9 times, then press "Left" 9 times and finally press "Enter" and the hidden clip will be revealed, "Best of Babashi" CD Track Lists: CD Hidden/Bonus Track Lists: DVD Track Lists: DVD Hidden/Bonus Track Lists: