NUT Co., Ltd. (株式会社ナット) is a Japanese animation studio subsidiary of Twin Engine [1][2] founded in 2017 by ex-Madhouse producer Takuya Tsunoki and Chiptune CEO Masayuki Narai.[3] Narai served as president and CEO until his death.[4]
In 2026, the studio was acquired by Twin Engine, becoming part of the Twin Engine Group to strengthen production capabilities and deepen its role in original IP development.[2]