When an astronaut leaves Earth for Mars, the vast infinite space divides star-crossed lovers in this animated romance that crosses the cosmos.

拥有褐色眼睛的普通学生伊京，酷似夏天阳光的高中足球选手秀伊。18岁的夏天，陷入意想不到的爱情的伊京和秀伊描绘着一起的未来，迎来了20岁。与上大学的伊京不同，秀伊直接进入社会，在陌生的幸福和小小的误会中，两人将面临新的季节。

Life in the countryside is quiet and mundane for bookish Yi-gyeong until an errant ball sends star athlete Su-yi crashing into her life. The connection between the two girls is instantaneous, and simmers until their mutual attraction bubbles up into love. But just as their feelings for each other start to make sense, Yi-gyeong’s ambitions for her future carry the couple into uncharted territory.