is a Japanese animation studio founded in 2013 and based in Nerima, Tokyo.
On February 10, 2020, it was announced that Millepensee had formed a partnership with Sanzigen to form 3DCG animation studio lXlXl.
The studio was founded in 2013 by producer Naoko Shiraishi. Director Shin Itagaki has been involved with all of the studio's main productions since its inception with the exception of the Wake Up, Girls!! films. Itagaki and Shiraishi are married.