Yumi Nakano

While rotting away in jail, Okamoto learns of the death of his beloved sister, Natsuko. Violently assaulted by a group of U.S. military men during a drunken joyride, she was found dead by local authorities. Haunted by the tragedy, Okamoto escapes from jail to hunt down and kill those who destroyed the life of his sister. (synapse-films.com)

A department store girl is robbed of her cash register by a boy, but for some reason, she cannot forget the boy's mysterious eyes, and time passes. One day, she discovers the eyes by chance, and relentlessly pursues the boy.