Manchuria Opium Squad (Japanese: 満州アヘンスクワッド, Hepburn: Manshū Ahen Sukuwaddo) is a Japanese manga series written by Tsukasa Monma and illustrated by Shikako.

It was serialized on Kodansha's Comic Days app from April 2020 to September 2021, when it was transferred to Weekly Young Magazine.

Written by Tsukasa Monma and illustrated by Shikako, Manchuria Opium Squad started on Kodansha's app Comic Days on April 9, 2020.

[6] Kodansha publishes the series digitally in English on its K Manga service.

[7] Kodansha USA started publishing the volumes digitally on September 10, 2024.