2YOON was a sub-group of South Korean girl group 4Minute. It consisted of Heo Ga-yoon (허가윤) and Jeon Ji-yoon (전지윤). Their debut mini-album, Harvest Moon, was released on the 17th of January 2013, along with the MV for the lead single, 24/7. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.