Kaguya-sama will end with chapter 281.
ib - Instant Bullet
By Kaguya Sama Mangaka " AKASAKA Aka", totally unrelated to kaguya sama.
Everything in this world is my enemy. This kind of world is worthless. A boy, who is called a demon with no human heart, breathes, lives and imagines. But what is the pounding in his heart when he heard he is going to save the world? That's not his wish, though...