SF9 have released their latest teaser images for 'Rumination'.

In the teasers, SF9 take on an all-black look as they prepare to investigate crimes. The boy group are dropping more teaser posters on November 11 KST and 12, the music video teaser for their title song "Trauma" on the 15th, and the full release of 'Rumination' on the 22nd.

Check out SF9's 'Rumination' teasers below, comeback schedule here, and let us know what you think in the comments below.