He didn't accuse him; he merely stated the fact.
He heard Chen Zhi crying, heard her asking how Ayu died.
He just stated the fact.
In truth, he wanted to say that the real culprit was himself and that none of this was Si Ye's fault, but thinking of Ayu's death made his emotions too intense, too intense to say that much.
"The first time, the heart... wasn't replaced, Ayu... just died..."
He wanted to say that at first, Si Ye didn't replace Chen Xiangyu's heart, and when they were ready to replace it, the heart had already begun to fail and wouldn't last long.
Although his words were fragmented, Chen Zhi understood. She looked at Si Ye in astonishment, forgetting to cry.
Si Ye's gaze darkened slightly, and his expression remained calm. He knew this moment would come sooner or later.
He couldn't possibly hide this matter forever; he just didn't expect it to come so quickly.
He only wanted to spend more time with her; it seems that was all a luxury...