Ayu Enatsu is a Japanese singer. He is the drummer and second singer of J-Pop band Juliana no Tatari (Juliana's Curse).

Graduated from the Faculty of Law, Kokugakuin University. Descendant of Hanaya Yohei (inventor of nigiri sushi). He writes the lyrics and composes all of the band's songs and produces the entire band. He grew up in a seaside villa in Kamogawa City, Chiba Prefecture, where he grew up surrounded by nature. He has loved the area since childhood and has called it his "second hometown," leading to his appointment as Kamogawa Hometown Ambassador. He is an endorsement artist for Pearl Musical Instrument Manufacturing Co., Ltd.