The twenty-eighth chapter published in September had already announced that the work would end with this chapter. Furthermore, Urushidama began publishing the manga on Kadokawa publisher's Comic Newtype website in December 2017. The publisher published the third compiled volume in November 2019, and will publish the fourth on November 26.
On the other hand, the original Code Geass: Hangyaku no Lelouch series was produced by Sunrise Studios, directed by Goro Taniguchi and written by Ichiro Okouchi, with original designs by CLAMP. The story centers on the exiled prince Lelouch vi Britannia, who gains the "power of absolute obedience" from a mysterious woman named C.C.
Kateikyoushi no Lelouch-san Synopsis
The manga's story reimagines Lelouch and Nunnally in a normal world living normal lives, and C.C. she is a high class girl who moves to live with them. Lelouch and Nunnally's mother, Marianne, has assigned C.C. as Lelouch's tutor, and he makes a contract with her.
Source: Comic Newtype
© 漆 魂 (著), 『コ ー ド ギ ア ス 反逆 の ル ル ー シ ュ』 シ リ ー ズ よ り (原著) / KADOKAWA
