A Japanese illustrator born in Yokohama. He is primarily known as a video game illustrator, outside of video games, Hidari has worked as an illustrator on numerous light novels and other media. His pseudonym and circle "Left Side" comes from the fact that he predominantly uses his left hand.

He was awarded third place in the 2010 "Kono Light Novel ga Sugoi!" illustrator ranking.

Twitter: @lleftt