|Visual novels||Makes an appearance - Tsuki no Kanata de Aimashou|
Side character - Tsuki no Kanata de Aimashou: SweetSummerRainbow
|Voiced by||Kusuhara Yui|
A high-level-learning AI that Rein developed. A low-key master who loves country music from Colorado, where he was born and raised. He's a cat-like... something... that has tons of 'back-story' given to him, with an eye-patch that seals the power of his evil eye-- when he removes it, his Nidhogg blood awakens.