Speechless (無言) 12 years old

Love speaks louder than words.

A guy is found by the police swimming naked. He can't, or refuses to, speak and is sent to a hospital. Since no diagnosis can be made, he will be transferred to a mental hospital, when his male nurse decides to take another route. Slowly the reason for his speechlessness becomes clear. Together with the nurse's girlfriend and a female friend of the silent stranger, their history is explained