Mai Endo (born July 31, 1988) is a Japanese singer and TV personality. Born in Tokyo, she debuted in 2006 as a member and leader of the idol group Idoling! She started her solo career in 2014 and retired from show business in 2017. As a singer, she sang songs from a wide range of genres, including pop and rock, and established a piano pop-rock style in her solo career. Some of her best-known songs include "Today is The Day" (2013), "Baby Love" (2014), and "On a Night of Sighs and Anxiety" (2016). He currently works as a voice trainer and teaches singing to many idols and singers.