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.
He was born on February 25, 1992 in Shiga Prefecture.
|"ユニバース"||GUMI||December 16, 2016||music, lyrics|
|"世界の真ん中を歩く"||Hatsune Miku||March 23, 2017||music, lyrics|
|"ニア"||Hatsune Miku||June 29, 2017||music, lyrics|
|•||恋しているのさ (Koishite iru no sa)||Hatsune Miku||September 09, 2017||music, lyrics|
|•||月の妖怪 (Tsuki no Youkai)||Hatsune Miku||January 12, 2011||music, lyrics|
|"ジャガーノート"||Hatsune Miku||May 17, 2018||music, lyrics|
|"エンドロール"||VY1||July 19, 2018||music, lyrics|
|•||プラネタリウムの真実 (Planetarium no Shinjitsu)||Hatsune Miku||August 23, 2018||music, lyrics|
|"フロムトーキョー"||Hatsune Miku||July 23, 2021||music, lyrics|