ZE:A's Siwan updates his Twitter on 9th September with a new message,"sonbae is even harder,take a photo with sonbae and show it off to the members ^ ^ enjoy the meal".
BoA and Siwan seem to have taken the photo at the corridor at a TV station.
Netizens commented,"I like them","BoA is pretty and Siwan is the same too,"Warm,get closer is even better" and etc.
Photo Source: Newsen