Tetsuo Kamata

Tamiya, a pet detective looking for a runaway cat, is approached by a stranger at a pachinko parlor one day. The man predicts that Tamiya will hit the jackpot on his pachinko machine, and, lo and behold, it turns out to be true. The next day, Tamiya receives a request to find a pet. The woman who made the request turns out to be the wife of Goro Mouri, the strange man she met at the pachinko parlor yesterday. The woman asks him to find her missing cat, Lucky, and shows him a picture of an animal that does not look like a cat at all. After three days, Tamiya goes to Mouri's house to report his search, but...

Hino Miharu, a dull man who has been working part-time at the convenience store Pawson Nerima Kitaguchi for three years, suddenly kidnapped by a man wearing a black Santa suit, saying, "It's a job offer! I'll be counting on you from today". When he wake up, there is a mysterious company in the North Pole, Santa Claus House. Miharu starts working as a black Santa who distributes presents to children around the world with his colleague with a strong personality, but this company has a secret.

Ichiya Chitani (Taiki Sato) made his debut as a novelist when he was in middle school. His novels received severe criticisms and were not popular. Now, Ichiya Chitani is a high school student. His confidence as a writer is shot. One day, an editor proposes that Ichiya Chitani collaborate with his classmate Shiina Koyurugi (Kanna Hashimoto), who is a popular writer, on a novel. The editor wants a novel that can touch the hearts of people around the world. Ichiya Chitani and Shiina Koyurugi have completely different personalities and reside on different levels in terms of popularity as writers, collaborate on a new novel.