e5 (えご) born September 2003, is a rapper and producer from Chiba prefecture, Tokyo.

e5 stands for Ego and represents her essence as an egoistical teenager who dropped out of high school to pursue her music.

Her main inspiration source comes from Vocaloid, she originally dreamed of becoming a Vocaloid P or SSW, but a school friend introduced her to the KHH scene and she soon became hooked on it. She tries to incorporate the personality of Hip-Hop and the distinctive synth-like sounds of Vocaloid.

She is also part of a trio, Dr.Anon, with 嚩ᴴᴬᴷᵁ and p°nika.