Natsushiro Takaaki (夏代孝明), also known as Yuei (ゆーえい) and P-ch!, is mostly known as an utaite on the platforms niconico and YouTube. Since 2016, he has started producing VOCALOID works on Niconico. Most of his songs are in the style of pop or rock.
His notable songs include Near and Juggernaut, which have gained over 600,000 views and 500,000 views on Niconico respectively.
He was born on February 25, 1992 in Shiga Prefecture.