This story have 5 parts all in all. With breakdown of each part have volumes and each volumes have chapters inside. The spin-off Hannelore's 5th Year was the currently ingoing web novel (and light novel which is the published version of web novel) and the manga have also started (in raw Japanese version) currently chapter 4
To those who are confused, this manga page (the one we're currently commenting at) covers the part 3 and the part 5 is the link below (raw, in Japanese version)
This story have 5 parts all in all. With breakdown of each part have volumes and each volumes have chapters inside. The spin-off Hannelore's 5th Year was the currently ingoing web novel (and light novel which is the published version of web novel) and the manga have also started (in raw Japanese version) currently chapter 4
https://to-corona-ex.com/comics/221968848830652
To those who are confused, this manga page (the one we're currently commenting at) covers the part 3 and the part 5 is the link below (raw, in Japanese version)
https://to-corona-ex.com/comics/234900601176268