Konbu

Konbu (literally Seaweed) is a black cat found by Kiyoshi Shimizu and Ayako Nakano, and is keeping by Hayato Toda later in the story.

Trivia

 * Ayano Nanako named him Konbu because he is a black male cat.
 * Manami Azuma hoped to name him Choco-chan at first.
 * Akira Yashima hoped to name him Chachamaru at first.
 * Kiyoshi Shimizu hoped to name him Parmigiano Stroganoff Piccata Langoustine Vichyssoise XIII at first.