When Japan surrenders at the end of World War II, soldier Hiroo Onoda retreats into the jungles of the Philippines to continue the war himself for another 10,000 days.
11-year-old Yusuke and his classmates camp in the woods and see a strange light. They discover a small metallic object like a robot which talks, calls himself Tetra and knows Yusuke's name....
Three middle-aged men established a sex-contract for one year with Chikako, a 17 years schoolgirl.