2016年10月よりTVシリーズ「亜人」第2クールの放送が決定しました!Tosaki must resign due to letting Ko and Kei escape and for failing to stop Sato. Sato threatens to kill over a dozen people conspiring against Ajin, unless the government admits to the experiments. At the same time, Kei and Ko talk about trapping Sato. Needing help with this task, they seek to ally with Yu Tosaki. His girlfriend is currently in a hospital in a coma, which will be the perfect place for a forced meeting They confront each other and Kei proposes the alliance against Sato, to which Tosaki agrees, though somewhat reluctantly. Since the government will not comply with Sato's demands, he kills a surgeon, one of the people on his list. Thus starting his "Second Wave" action against the conspirators and the government.