The blockbuster Korean film series "The Roundup," which has attracted a total audience of over 40 million, expands into a cinematic universe with an original Japanese story! Koshi Mizukami x Yunho (TVXQ) x Sota Fukushi x Um Ki-joon - a spectacular nonstop action blockbuster brought to you by a powerful Japanese-Korean cast! Directed by Eiji Uchida, who has continued to deliver acclaimed works such as "The Naked Director" (2019) and "Night Flower" (2025). Featuring realistic and thrilling footage filmed on a grand scale, including the closure of streets in Shinjuku, the film depicts fierce battles between the police and criminals with a unique perspective and a touch of humor. - Kabukicho, Shinjuku, the notorious entertainment district of East Asia. Striding confidently through its streets is Shiro Aiba, a rookie detective at Shinjuku Central Police Station. Born and raised in Kabukicho, Aiba is a former motorcycle gang leader whose physical strength and hot temper constantly get him into trouble. One day, Choi Si-woo, a detective from the Korean National Police Agency, arrives in Japan in pursuit of a vicious criminal organization wanted internationally. The two clash from the moment they meet and nearly come to blows. However, when information emerges that the wanted criminals are hiding in Kabukicho, they form an impromptu partnership and launch a joint investigation. As they continue investigating despite their differences, a group robbery sparks an all-out conflict between a violent yakuza organization and Kabukicho's largest host club group. The criminal organization also joins the battle, turning Shinjuku into a war zone engulfed in chaos and darkness. Behind it all lies a massive conspiracy involving even the state authorities. Bonus video content: Main trailers (30-second and 60-second versions), teaser, super teaser, special making-of footage (Shinjuku Lockdown Edition), special making-of footage (Action Edition), Character PV Part 1, Character PV Part 2, and Character PV Part 3.