Rookie FNC group N.Flying is heading to Japan!

According to recent reports, N.Flying will be releasing their first ever Japanese single, "Knock Knock," next year February.

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"Knock Knock" is a modern-pop track from their Korean debut album 'Lonely', which was remade in Japanese for their upcoming Japan debut.

Though this will count as their official debut, N.Flying has performed as an indie group in Japan prior to their debut in Korea and released two singles titled 'Basket' and 'One and Only.'

Meanwhile, "Knock Knock" is set to release on February 10th.