The availability of K manga depends. You could check major online retailers such as Amazon or specialized manga websites. Sometimes, it's even available for free on certain fan-run sites, but be cautious of the legality and quality there.
Some platforms offer a subscription for K manga, while others might have a pay-per-chapter or volume model. You need to check the specific platform's policies.
The Saiki K manga ended. It wrapped up the storylines and gave a satisfying conclusion to the readers. Although it's over, it still holds a special place in the hearts of fans.