Simpan-ui gunju

Choi Hyuk was born with an extraordinary gift for combat, a natural fighting genius whose talents manifested in the most devastating way possible. In the sixth grade, his abilities culminated in tragedy when he took another person's life. Shattered by what he had done, he made a solemn vow to his mother that he would never raise his fists again. From that day forward, he chose a path of relentless atonement, enduring years of severe bullying throughout his school life without ever retaliating. Instead of fighting back, he spent his days gazing blankly out the classroom window, quietly bearing the weight of his past sins. However, his peaceful penance is abruptly shattered during his high school years when a mysterious ring suddenly materializes in the center of his classroom. This inexplicable event thrusts Choi Hyuk into a brutal new reality where his long-suppressed instincts are no longer a burden, but a necessity for survival. Stripped of the quiet life he had sacrificed everything to maintain, he is forced to confront an impossible ultimatum: kill or be killed. The boy who swore off violence must now decide whether to break his sacred promise to his mother or perish in the unforgiving arena before him.