"Keshin" (化身, lit.

"Reincarnation") is the twenty-fourth single by Japanese artist Masaharu Fukuyama.

Keshin was used as the drama Majo Saiban's theme song.

"Kiss Shite" (KISSして) is a self-covered version of KOH+ single (collaboration with Kou Shibasaki) and "Tsuioku no Ame no Naka (Live Take)" (追憶の雨の中) is taken from his performance in Daikanshasai 2008.

This single was released in three different versions – Limited Towel version, Limited DVD version and Normal version.