Good news for Sekirei series fans, because in the 19th edition of Square Enix's Young Gangan magazine has been announced that the Sekirei series: Kanojo no Inai 365 no Hi no Koto will begin to be serialized. This work made by Sakurako Gokurakuin will begin to appear in the 20th edition which was published on October 6th.
Gokurakuin started this manga on May 2nd, it's been a while but only 2 chapters have been published. In a blog post on his personal blog, he prioritizes his homemade Brave Star Romantics manga and can not do both together because there are health problems. Her Brave Star Romantics series has just finished in the latest issue of Young Gangan magazine.
According to a netizen discussion in Reddit, this series reviews the story just before the last chapter of the Sekirei series that has been running before. Prior to this, Sekirei series has been published from 2004 to 2015.