What truly makes a proper adult? In a hyper-monitored world where your social standing and reputation are the only things keeping you alive, Yutaro Urashima is about to push the boundaries of society to its absolute limit. Guided by his late father's final words, Yutaro crafts his own strict Articles of Adulthood to navigate life. But he never could have predicted that his personal code of honor would trigger a massive global shift, transforming the world into a high-stakes arena of surveillance and survival.

Written by the acclaimed creator of Hidarikiki no Eren, Otona Taisen is a tense, psychological drama that cuts deep into the anxieties of modern society. This is a story where every action is scrutinized, reputation is a weapon, and the fight to remain a decent human being becomes a brutal battle for survival. Can one man's integrity stand against a system designed to control everyone? Experience the thrilling, mind-bending drama of Otona Taisen and find out what it really costs to grow up in a world that never stops watching.

manga drama, psychological drama, surveillance society, social commentary, survival manga, seinen drama, reputation system, modern society thriller, character study, otona taisen