Seven Seas Entertainment handles the English publication, with Volume 19 having been released in October 2025.
Kazuki is forced to transfer to the all-female Magic Division, putting him at the center of a rivalry between his sister Kanae (Sword Division President) and Otonashi Kaguya (Magic Division President).
To lead his nation, Kazuki must bond with various "Divas" from different mythologies, effectively becoming a "Harem King" to strengthen his summoning powers. Where to Read
I can look up more details on the final volume if you're interested. Magika no Kenshi to Vasileus (manga)