Song Seung Hun hints at his upcoming drama with Krystal?

In April, it wasreportedthat Song Seung Hun and Krystal are in talks of playing the leads in newOCNdrama 'Hustle' (working title). A month later on May 16,Song Seung Hun shared a friendly snapshot on Instagram. The selfie showed him posing with actorLee Si Eon, Krystal, and one other member.
Based on the photo, it's assumed that the actors have started filming for 'Hustle'. Netizens are excitedly waiting for more details on the new production.