Seikaisuru Kado: Beyond Information

Seikaisuru Kado: Beyond Information (正解するカド12.5話 KADO:Beyond Information, eng. "Kado: Beyond Information"), also known as Episode 12.5, is a bonus recap episode of the Seikaisuru Kado series and was only available on YouTube for two weeks (May 22, 2018 - June 4, 2018). The episode is two hours long.

Trivia
Koujirou Shindou's fate is unclear at the end due to Yukika Shindou's absence from the storyline of this episode.