We reported earlier last week that Lee Jung Hyun would be making her comeback this April. But it looks like it might be delayed to May after she had fainted during the filming of her title track music video. An official revealed that Lee Jung Hyun had been filming at a Yangpyung studio when she collapsed due to fatigue on the 17th. She was sent back home for a rest but was later warded at a local hospital after her condition failed to improve. She was diagnosed to have contracted acute pneumonia. Lee Jung Hyun had been filming for more than 30 hours since the 16th before fatigue finally set in. She has been known to have a weak body condition. The official concluded that Lee Jung Hyun should be discharged on the 19th and she will rest for 1 - 2 days at home before resuming work. The official expressed that this will not disrupt her comeback schedule as she had been working on it for the past two month.