Building on the success of its predecessor, the album further established him as one of the top musical acts in Southeast Asia.

[3] CD contains remixed 'Bad Guy', 'I'm Coming', 'I' And 'With U' added to films of 4th album recording, jacket picture shooting session, a music video taping.

B Type re-pack, which was limited to 5,000 copies, was a seasonal item for the Fall of the year with a high quality diary that has Rain's pictures undisclosed to the public.

Although Rain did not win any music program awards in South Korea while promoting the album, he won Best Male Artist at the 2006 Mnet KM Music Festival for "I'm Coming" and Best Japanese & Korean Release at the IFPI Hong Kong Sales Awards in 2007.

[8] The opening show of the tour was a free concert held the day prior to the release of Rain's World at the Seoul Olympic Stadium, which attracting 40,000 people.