Ji-yeon and ji-hyeon are bsf ever since birth but suddenly Ji-hyeon started to have feelings to her childhood bsf? Love or not ji-yeon will pick chips! Love or not their moms pick love? Everyone at school thinks ji-yeon and ji-hyeon Are either cousins or siblings but why would a sibling or cousin fall in love with someone that shares their blood? Ji-yeon hates being teased and ji-hyeon... Or maybe?