@YvezXD with regards to NHS Kai, as noted in the latest chapter, we have taken a break due to IRL circumstances over the holidays as well as to better plan out how Chapter 15 will go.
@therose_ninomae I found a website which contains information on the orders of battle for different countries including Japan, hopefully this will help in your story
Link: https://www.battleorder.org/
@stevemichel111 Hello! There's no specific release schedule for Summoning Our Country. We'll try to find a balance to keep the the releases consistent but there's no guarantees there.