Last week, the newest chapter of Kitsutsuki Shinki’s manga retelling of Trails in the Sky SC was uploaded. In this chapter, Estelle finally returns to Grancel with Zane, Tita, Olivier, and Kloe alongside her.
You can find the chapter, along with chapters 13 and 14 on the Comic Clear site.
Chapters 1 ~ 7 are compiled in the vol. 1 book, and 8 ~ 12 are in vol 2.