'Cart' co-stars Yeom Jung Ah and EXO's D.O. looked like mother and son offscreen as well!

SEE ALSO: EXO's D.O teaches fans to 'Shout' in the OST for his starring movie 'Cart'

Yeom Jung Ah's agency Fantagio

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that Yeom Jung Ah felt like a mother to him during filming of their movie, and it seems like they've gotten close like family. EXO-L were also happy to see the normally reserved D.O. flash a big smile.

'Cart' will premiere in theaters across Korea on the 13th!