It fell from his fingertips

Soft and innocent little rabbit VS aloof and hypocritical gentleman; brother steals brother's wife, unrequited love
Tang Luoqing was soft and sweet, but when she cried, a blush spread across the corners of her eyes, like rouge crushed in the first snow.
Her boyfriend, Zhou Yanchen, loved her just the way she looked—so innocent, yet so alluring.
But Zhou Yanchen was a womanizer; he would say he loved her one minute and then walk out of a bar with someone else the next.
Tang Luoqing stood in the rain for half an hour. Just as tears fell, a large umbrella was placed over her head.
It's Zhou Jinbai, Zhou Yanchen's older brother.
Under the umbrella, the man wiped away Tang Luoqing's tears with his fingertips: "Don't cry, I'll go talk to him."
The so-called "talk" was actually just pinning the scoundrel of a younger brother down on the boxing ring and punching him repeatedly until he knelt down and begged for mercy.
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Tang Luoqing was hurt time and time again, but she softened and forgave him time and time again.
On his birthday, Zhou Yanchen embraced another woman and said, "It was just a fling, is it really that serious?"
"Don't worry, you're still my favorite."
On the other end of the phone, Tang Luoqing shed tears.
The rain was pouring down, and Zhou Jinbai found himself standing in front of Tang Luoqing without anyone noticing.
The man's shirt, soaked by the rain, clung tightly to his body, outlining the sharp lines of his shoulders and back.
He lowered his head and kissed away her tears.
Tang Luoqing froze: "Brother?"
Zhou Jinbai slowly loosened his clenched fist, his knuckles still bearing faint red bruises from when he had attacked half an hour earlier.
The man was tall and slender. He leaned down and enveloped Tang Luoqing in his burning shadow.
"Don't cry for him, he doesn't deserve it."
The man's deep voice, shrouded in the mist of rain, brushed against Tang Luoqing's lips: "Tang Luoqing, look at me."