Kei Sakai

Kei Sakai (酒井 啓史, Sakai Keishi) is a Japanese animator and character designer. He belongs to Studio Kelmadick.

He is credited under the names 酒井啓史 (Sakai Keishi) and 酒井啓, 酒井KEI, 酒井Kei, 酒井Key (Sakai Kei).