Psyren is a high-energy sci-fi survival action manga that blends psychic powers, time displacement, and apocalyptic mystery, following Ageha Yoshina, a delinquent high schooler who is repeatedly pulled into a ruined future world known as Psyren, where deadly creatures roam and only those with awakened psychic abilities can survive, forcing him and other unwilling participants to fight, train, and uncover the truth behind the catastrophe that destroyed civilization while slowly mastering Esper powers that link the present to a grim possible future, unfolding through escalating battles, team dynamics, and strategic power growth that balance classic shonen intensity with darker survival stakes and mystery-driven progression, praised for its inventive power system, fast pacing, and gradual world-building that rewards long-term reading, making it a cult favorite among fans of psychic battles and time-altered dystopias, also known as Psyren manga, PSYREN, サイレン, Sairen, Psyren Shonen Jump, psychic survival manga, time travel action manga, and post-apocalyptic esper manga.