"Red/Blue" is the fourth single by After School. It was released on July 20, 2011. The group was divided into two sub-units for the release: After School Red and After School Blue, both of whom promoted their own song.

Track list

  1. "In the Night Sky (밤 하늘에)"
  2. "Hollywood"
  1. "Wonder Boy (원더보이)"
  2. "Lady"

Video links

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