While on topic of Kugyuuuuuuu
Not sure if it's been posted before, but
麻雀先進国くぎゅうううううう【釘宮×サンドキャニオン】
Kugimiya played a character in this video game Gokuraku jan, a puyo puyo like puzzle game with Mahjong.
Since Tacos is Kugimiya also, he remixed her role from Gokuraku-jan and made this.
Because of the voice it fits perfectly