Summer Wars (samгў Uгґzu) Link

As the digital world collapses, the Jinnouchi family doesn't panic—they mobilize.

Kenji, a shy high school math genius, is invited by his crush, Natsuki, to her family’s massive estate in Ueda to celebrate her great-grandmother’s 90th birthday. His "job" is simple: pretend to be her successful fiancé to please the family matriarch, Sakae Jinnouchi. Summer Wars (SamГў uГґzu)

Led by the fierce Sakae, the family uses their diverse skills—from fishing and electronics to ancient martial arts—to fight back. When the stakes escalate to a satellite crashing toward Earth, the battle shifts from a high-stakes hack to a traditional game of (Hanafuda cards). As the digital world collapses, the Jinnouchi family