Seth Kwon returns as the undisputed leader of The Sun to consolidate his power and face the shadow organizations threatening his reign. In this high-stakes final season, the battle moves from school hallways to the brutal corporate underworld.

Following the previous seasons, Seth Kwon embraces his destiny as the successor to his father's criminal empire, The Sun. In the Boss in School (Season 3) manga, he must navigate a dangerous game of betrayal while seeking the truth behind his family's past.

Rival factions challenge his authority, forcing Seth to use his martial arts prowess to protect his allies. This high-stakes conclusion tests his resolve to change the violent underworld from within.

Seth Kwon leads The Sun through a final, brutal power struggle in Boss in School (Season 3), the high-stakes conclusion to the action manhwa.

Boss in School (Season 3), Seth Kwon, The Sun, Boss in School: The Game of the Beast, Martial Arts, School Hierarchy, Action, Drama, Lee Hoon-young, Kim Ui-kwon