Cry Me the Last Tear

The two were happy together in high school, but the helpless college entrance examination separated the two. For the promise of love, Feng waited for Lan for four years during college. By a coincidence, he met Ping again. He knew that Feng already had a crush on him, but Ping also fell in love with Feng who he shouldn't love. Feng is a tree with an iron heart, so when will his iron tree blossom for Ping? Will it bloom? Ping could only wait. What will be the result of Feng's waiting? Is it sad? Is it joy? Is it sour? Is it sweet? Is it joy and sorrow or separation and separation...