the web manga centers around bojji, a deaf, powerless prince who cannot even wield a children's sword. as the firstborn son, he strives hard and dreams of becoming the world's greatest king. however, people mutter about him behind his back as “a good-for-nothing prince” and “no way he can be king.” bojji is able to make his first ever friend, “kage” — a literal shadow on the ground who somehow understands bojji well. the story follows bojji's coming-of-age as he meets various people in his life, starting with his fateful encounter with kage.