This year's 19th issue of Square Enix 's Young Gangan magazine announced on Friday that Sakurako Gokurakuin 's Sekirei : Kanojo no Inai 365-Hi no Koto (Regarding 365 Days Without a GIRLFRIEND ) manga will begin serializing regularly in the 20th issue on October 6.

Gokurakuin began the manga in Young Gangan on May 2 but only two chapters have been published so far. ( Square Enix publishes Young Gangan twice a month.) In a blog post, Gokurakuin explained that she prioritized her Brave Star ☆ Romantics manga due to her health.