シャフト

Shaft (stylized as SHAFT) is a Japanese animation studio headquartered in Suginami, Tokyo, and founded in 1975. Since 2004, the studio's productions have been broadly influenced by director Akiyuki Shinbo, whose visual style and avant-garde cinematography are featured in works including Hidamari Sketch, Sayonara Zetsubou-Sensei, the Monogatari series, Puella Magi Madoka Magica, Nisekoi, and March Comes In Like a Lion.

(Source: Wikipedia)