SNSD YoonA and Sunny performed a cute version of Maroon 5's 'Sugar'

Because it is too precious to be missed, we are making a separate post about SNSD YoonA and Sunny's adorable cover of Maroon 5's 'Sugar'.

This happened during their 'Phantasia in Japan' concert, and without further introduction, you can now enjoy YoonA and Sunny's sweet and adorable performance below~