The film is notable for being trilingual; the two main characters flit from Thai to Japanese to English as their vocabulary requires.

Living in an apartment full of precise stacks of books, his half-hearted attempts to kill himself are continually interrupted by the people around him.

[1] Yukio's friend Takashi suggests that if it were his daughter, he would have the despoiler killed, but Kenji's brother laughs this warning off.

Yukio frequents a club where he can enjoy the attention of a bunny-eared hostess, a local girl named Nid.

(During the library scene where Kenji first encounters Nid, a hanging poster for the Takashi Miike film Ichi the Killer is clearly featured.

Throughout the movie, images of the furtive gecko who lives in Noi's house, as well as The Last Lizard are shown, Kenji's children's book about a reptile who wakes up to discover he is the final member of his species.

For his role as Kenji, Tadanobu Asano received the Upstream Prize for Best Actor at the 2003 Venice Film Festival.

The soundtrack music played at the end of the movie called "Gravity", performed by the Thai diva Dharini Divari, became a hit.