Tsuchi no Naka...

Teranishi and Ejji go to a reunion at their old junior high school, with the main event being the unearthing of a time capsule buried twenty years ago. It contains all sorts of photographs and memories, including letters that the kids had written to each other. Teranishi recalls writing a letter to Kumi Shinoda, a girl whom the class despised because she was a relentless bully who complained about everything.