ONEUS has revealed dramatic concept videos featuring members Ravn and Hwanwoong. Fans got to see introduction trailers and teaser images for the ONEUS members, and these new concept videos give a sneak peek at their music video for "Valkyrie". 

The RBW Entertainment group will be making their debut with their first mini album 'Valkyrie' and title song "Light Us" on January 9. Ravn and Hwanwoong's concept videos suggest you can expect something with an intense beat and theme. Watch them above and below!