Episode 0 of that aired as an April Fool's joke. Shigeru Akagi, a teenage mahjong genius, repeatedly defeats seasoned Jyanshis thanks to his bravery and drive. However, Shigeru’s fiercest nemesis, Iwao Washizu, enters the Mahjong Soul with enormous wealth and good fortune to resume his battle with Shigeru.

Unaired episode included in the first Blu-ray volume.

Anime adaptation of the spin-off manga that focuses on the life of the triple agent as he attempts to keep all his different roles in check.