Tsubasa Hazuki published the final chapter of the Sword Art Online: Mother's Rosary manga in the May issue of Kadokawa's Dengeki Bunko Magazine on Saturday. The magazine also revealed that Kadokawa will publish the manga's third and final compiled book volume on June 10.

Sword Art Online: Mother's Rosary adapts the fourth arc of Reki Kawahara's Sword Art Online light novels. Yen Press is publishing the manga in North America, and it describes the series:

Kirito and Sinon's battle with Death Gun is over, but mere weeks later, something strange is afoot in the next-generation VRMMO ALfheim Online. A new duelist with a custom sword skill is defeating all comers--including Kirito! But when Asuna goes to face this duelist, she receives something she never expected: an invitation to an exclusive guild! But what is their aim? The Mother's Rosario arc begins!