Sotsugyou ~TOP OF THE WORLD~ (卒業 〜TOP OF THE WORLD〜 ; Graduation ~TOP OF THE WORLD~) is the 2nd single of Heike Michiyo, released on February 15, 1998. The A-side is a Japanese cover of The Carpenters' song "Top of the World". The title song appears on her first album Teenage Dream and her second album For ourself ~Single History~. The single made 34,810 of total reported sales.