Polygon Pictures has unveiled a new trailer for Tank Chair, giving audiences their clearest look yet at the upcoming anime based on Yashiro’s manga. The series follows Nagi Taira, a legendary assassin who falls into a coma after protecting his younger sister Shizuka from a barrage of gunfire. The anime comes from Polygon Pictures, the Japanese CG animation studio behind projects including Knights of Sidonia and Ajin: Demi-Human. Yuki Moriyama is handling character design, while Polygon Pictures is producing the animation. The principal cast includes Kouki Uchiyama as Nagi Taira, Minori Fujidera as Shizuka, Gakuto Kajiwara as Naozumi Kurosaka and Saori Hayami as Touko Kurosaka.