Peke J

Peke J (ペキ J), formerly known as Excalibur (エクスカリバー), is Chifuyu Matsuno's cat.

Appearance
Peke J has black fur and wide eyes. He has a scar at the back of his head.

Personality
Although he follows his owner Chifuyu Matsuno's orders, Peke J has been shown to be a mischievous cat. Despite a month of inhabitance at the Matsuno family's home, Peke J would frequently sneak out of their dwelling to visit Keisuke Baji, who once lived in the fifth floor of Chifuyu's apartment complex.