TBS续订《第四类地球人》第二季。。费兴空与思睿突然发现自己生活在一个漫画的笼子中,两人想要逃回现实世界。但是面对“作者”的绝对控制,两人被逼无奈在不断变幻的故事世界中不断逃离······。据说,从同一个卵子产生的同卵双胞胎将共享一条纽带,就好像他们是同一个人一样。但不是同卵双胞胎“Sprite”和“zee”。尽管从出生起就走着和运动员一样的路线,但两人都想成为唯一! It is said that identical twins who are produced from the same egg will share a bond as if they were the same person. But not with "Sprite" and "Zee", the identical twins. Despite following the same route as an athlete from birth, both want to be the only one!。