T-ARA has come up with another subunit release in Japan. Currently, T-ARA N4, the first unit of the group including Eunyung, Jiyeon, Areum and Hyomin, are actively spreading their charm across Asia. They're mission is to promote T-ARA N4 and their title song "Countryside Diary" which was written by well known songwriting team, Double Sidekick.

T-ARA N4 has pleased the eyes of music artists like Chris Brown whorecently contacted the group. On May 12, they visited the U.S to meet personally Chris Brown, T.I producing team, music industry representatives and other artists to talk about their possible opportunity and advancement in American music market.

T-ArA N4 will be leaving again for their performance at Wiz Khalifa and one of Chris Brown's concert in Las vegas. The other members who are not part of T-ARA N4 will form another unit on their own which will be named QBS, which comes from the members initials, as part of the Japanese market. Qri, Boram and Soyeon are scheduled to leave Korea for their Japanese promotion this coming May 27 for a fan event at Tower Records.

A music video is also set to be filmed by the new T-ARA subunit for their Japanese single, Like Wind. However, Both T-ArA units will be together after their group scheduled promotional agenda in U.S and Japan, they will reunite as a whole team and also plan to comeback with a brand new album this July.