Morio came back to the hospital and Mikihiko continued to live his own life at the end.
Eventually, Mikihiko realised that everyone, even the ones who are childish as Morio could not escape from the reality of growing up and has to face the world which was ugly as sin.
The film is adapted into a Japanese manga of the same name, created by Yamada Naito, who writes in both Japan and France.
The manga was first published in 1992 in Weekly Young Sunday (Shogakukan) and reissued in 1997 and was announced to be released in the form of movie in September 2012.
It is believed that each teenager has a period of time which they experience the feeling of confusion and reluctance to be a grown up.
Though he only possess the mind of a 6-year-old, he eventually took off his “crown”, his party hat, indicating giving up of his childhood.
This implies that the grown-ups are often eager to search for the innocence once they had but the fact is they always fail to do so as they have lost in the huge wheel of adults’affairs.