Sachi Oshimizu has launched Twin Signal Biennial, the planned sequel to Oshimizu’s Twin Signal manga, on the Medibang app and website.
Oshimizu had launched a crowdfunding campaign on April 19, 2018, seeking to raise 4 million yen (about US$37,200) by May 30, 2018 for the sequel. The project eventually raised 17,677,500 yen (about US$159,150).
The sequel picks up the plot two years after the end of the battle with Dr. Quaser, and a think tank named At Random is attempting to apply robots to daily use for the public. The setting is in Singapore. The new story focuses on three characters: Lantse, a successor unit to Pulse; Maria Maria, a girl who is depressed after she suffers from an accident; and Shiruto, a boy who wants to become a robot. A 13-year-old Nobuhiko, a 19-year-old Chris, and Signal will also appear in the story.