Also known as: KTK姉貴, ポジ子
Voice of Koakuma in Cookie☆☆ S2. According to the comments at the time, she had a "fat voice" so is usually drawn Plump or Fat. Compounded by when she first introduced herself, people thought she called herself "Pojiko".
Despite her knowing of being called fat, she decided not to care and continue releasing singing videos. This gained her respected as a heroic and fearless voice actress. Other than that, she is drawn as a companion to the more generic Yuzuyu (Cookie)'s Koakuma, sometimes with Fake Wings on a Hairband.