Singer-songwriter Watashi Kobayashi released his new digital single song "Ningyou no Machi" ("Doll Town") today and also posted the song's music video on his official YouTube channel . The pop tune is now used as the ending theme for the winter 2026 TV anime The Case Book of Arne . Watashi Kobayashi "Ningyou no Machi" Music Video The Case Book of Arne Anime Creditless Ending Movie Kobayashi started his music career while he was a student at Tama Art University, and made his major debut from King Records' HEROIC LINE label wit his third album "Shoukei ni Tatsu" in June 2023. "Ningyou no Machi" is his third anime tie-in song following the two ending theme songs for the TV anime Ragna Crimson in 2023-2024. Kobayashi shared the following comment on the song on his official website . Congratulations on the anime adaptation! I absolutely love games made with RPG Maker! Speaking of anime adaptation, does that mean we get to see Nachzehrer in anime form? That's awesome… The arrangement is by our very own boss, Takeaki Wada! Wada Takeaki is the best… I asked if he could arrange it and use a Maccaferri, and they said yes. It never hurts to ask. So, please enjoy the ending theme "Ningyou no Machi," which is helping to build the world of the anime "The Case Book of Arne.” "Ningyou no Machi" digital jacket Watashi Kobayashi artist photo RELATED: Sou Drops The Case Book of Arne Anime Opening Song Music Video The Case Book of Arne Anime Trailer The TV anime adaptation of the mystery adventure game The case Book of Arne premiered in Japan on January 6, 2026. The anime's first two episodes are now available on Crunchyroll for Premium members in North America, Central America, South America, Europe, Africa, Oceania, the Middle East, CIS and India. Crunchyroll describes The case Book of Arne as such: Louis Hartmann loses his father, a private detective investigating a string of murders, leaving him all alone. Rumor has it that the murders are the work of a Grave-Digger Vampire. Louis isn’t keen on superstitions and vows to catch the culprit himself. That is, until a self-proclaimed detective, Arne Neuntöte, and his assistant, Lynn Reinweiß, appear. A new door is about to open for Louis… Source: Watashi Kobayashi official YouTube channel / website
