Sanjyu Mariko 14 (KCDX)

[Machine Translation] Kuro, the 80-year-old travel companion, is not actually Mariko's cat! Mariko Koda, an 80-year-old veteran writer, has been abandoned by her long-time literary magazine "Gunsei," so she becomes editor-in-chief and launches a new web-based literary magazine, "Lettle. In order to make Lettoru even bigger and better, Mariko continues to struggle by bringing back charismatic writers and retired big-name writers. She moves out of her best friend Chiezo's house, where she has been staying, and starts living with Kuro and Gaako, an 80-year-old man, a cat, and a dog. However, as soon as they move in, they run into trouble with Takeishi, the resident downstairs who hates pets. Mariko is gradually exhausted from taking care of her old but energetic dog, Akko, as well. Then, Kuro is kidnapped by Takeishi! What will Mariko do?

80歳の旅を共にしてきたクロが、実はまり子のネコじゃなかった！？　二人の生活がピンチ！80歳のベテラン作家・幸田まり子は、長年執筆してきた文芸誌「群星」から見放され、自ら編集長となりweb文芸誌「レトル」を立ち上げる。レトルをさらに大きく羽ばたかせるため、かつてのカリスマ作家や引退した大物作家を復帰させるなど、奮闘を続けるまり子。居候していた、親友・ちえぞう宅からも出て、クロとがあことで80歳+猫一匹+犬一匹の生活を開始する。しかし引っ越し早々、ペットが嫌いな階下の住人・武石とのトラブルに巻き込まれてしまう。老犬ながらも元気あふれるがあこの世話も重なり、次第に疲弊していくまり子。そんなとき、クロが武石にさらわれるという事件が発生！まり子はどうする!?