"Hitori ja Nai" (Japanese: ひとりじゃない; "You're Not Alone") is a song recorded by Japanese singer songwriter Mai Kuraki. It was released as the second promotional single from her thirteenth studio album Unconditional Love, through Northern Music for digital download on 1 August 2021. The song was written in celebration of the tenth anniversary of the Sanrio character series, Wish me mell. This is the second time for Kuraki to write a song for the series, since the singer wrote "Stay the Same" in 2012.