"Then… mommy sleeps with daddy."
"No!"
The younger boy's face darkened.
"Why not?"
"Because…"
He pursed his lips in anger but did not know how to explain himself. Clenching his teeth, he suddenly tiptoed and threw the ball with his entire strength.
The ball flew into the sky and past the net; unexpectedly, mid-flight, its trajectory changed.
Little Yichen went to retrieve the ball, only to find Youyou lying on the sand in a bizarre pose when he looked again.
His initially thought was that his twin lacked exercise and drained his meager stamina to support himself on his feet. However, when he drew closer and saw the pain etched in his brother's face, he panicked.
He saw him clutching his chest with both hands as his face writhed in agony. His brother seemed to be unable to breathe and looked to be in extreme pain.
His body curled up into a ball and, just like a little shrimp with its back bent.