i don't know when a sudden giant became a tomb digging for human civilization aaa。 they wantonly prey on humans who have no ability to resist and force them to build high walls to protect themselves. until one day, the super-large giant broke the solid barriers and brought a bloody and cruel feast to the humans who were used to living a comfortable life. han ji (sakimi ishihara) secretly captures a giant. she is crazy and obsessed with studying the giant's habits, trying to find the enemy's weaknesses, and gets inspiration from a three-dimensional maneuverable device from an accident. sasha (played by nanami sakura), a poor family, has excellent arrow skills and a very good appetite. she is fortunate to be a member of the investigation team, and food is her greatest motivation. lilu (played by takeda rina) and fuji (played by watanabe hide) desperately hone their fighting skills. they hope to live a happy little life, but the years of peace are far away. little people, striving to survive in the shadow of giants...