170721 f(Luna) = MBC ‘The King in Love’ Instagram Update On July 21, 2017 By hearteumiIn f(Luna), Photos View this post on Instagram A post shared by MBC 왕은 사랑한다 (@mbc_thekinginlove_official) Luna to participate in this drama’s OST, with a song called ‘Would You Tell Me’ Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on Tumblr (Opens in new window) Tumblr More Click to share on Pinterest (Opens in new window) Pinterest Click to share on Pocket (Opens in new window) Pocket Click to share on WhatsApp (Opens in new window) WhatsApp Like Loading... Related
f(♥) 
Do we know when this OST is supposed to come out?
They haven’t announced yet