The rain curtain weaved into a gray curtain under the street lamp, and Su Mo's knuckles turned white as he clutched the handle of the umbrella. He stared at the glass door of the cafe. Raindrops followed the umbrella ribs and hit the puddles at his feet. The splash wet his trousers - these shoes were bought by Shen Wan'er last month with half a month's salary as Shen Wan'er said, "Dating needs to be decent." When the phone vibrated in his trouser pocket, his fingertips trembled first. The WeChat notification sound mixed with the sound of rain pierced his eardrums, and the cold light on the screen reflected his pale face.