母亲准备杀他，这次冲击让伊达京介激活了潜在的力量。在京介情绪低落时，开朗且让人挂念的岬真夜出现。两人感情日渐深厚之际，“hospitalu”（ホスピタル）迷幻变异军团和巨大企业“桐原体”的战斗机器人突然发动攻击，目的 targeting his twin sister Rui; meanwhile, Keiji fully utilizes his transformation abilities to protect her and his alter ego。 。