Kameda Kamerou is an ordinary sophomore at high school, living a monotonous daily routine. His inner emotions remain concealed beneath his ribs.
One day, word spreads that his best friend Kaerugawa Erutaka has assisted others, drawing the notice of a prominent clique that includes the campus icon Raionji Raiou, who is vying for student council president. Kaerugawa abruptly joins them, and Kameda feels a surge of jealousy and low self‑esteem. What will become of their friendship? On the day of the student council vote, a "bone‑to‑bone clash" erupts!
When bones shift, so does the world. This tale follows a group of high schoolers and their ribs through conflict and personal growth.
