SHINee are killing us with all this teasing!

This time, the boys revealed some cool, 90s' style fashion group images, working the colorful suits and denims like the attractive bunch they are. Their upcoming 5th full album '1 of 1' contains 9 songs, the names of which you can find in their green group teaser image shared on Instagram!

Their title song, also called "1 of 1", is a retro, new jack swing genre song, bringing out SHINee's signature funk combined with a soft sound.

You know they'll be more teasers coming your way soon, leading up to their full release on October 5!