Seo In Guk and Jung So Min, currently starring as the male and female lead of tvN's Wed-Thurs drama 'The Smile Has Left Your Eyes', took part in an OST duet for their own production!

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OST Part 2 of 'The Smile Has Left Your Eyes' is titled "Star, Us", a duet by Seo In Guk and Jung So Min with lyrics written by the two stars as well. The lyrics compare two lovers who are bound by fate to the connection between stars and light.

Watch a recap of key moments from 'The Smile Has Left Your Eyes' so far above in the full OST MV for "Star, Us". Have you been keeping up with this tvN romance/mystery drama series?