Linebarrels of Iron S01E17 - The Mechanical Curse

Yajima returns while the puzzled Risako and Kouichi try to keep the secret of Yajima's so - called death. But behind the seemingly good comeback, Yajima reveals himslef to be the pilot of Apparition, one of Katou's new Machinas before the rest of JUDA during their party and kidnaps Kizaki as a mission from Katou.