Why China Reacted Soberly On the Death of Shinzo Abe?

 The entire world was shocked by the sudden death of Ex-PM of Japan Late Shinzo Abe but the way it was taken in China surprised the entire world source says. Chinese newspapers ignored the news on the day of his death. Only on the second day, the news appears at the bottom of the first-page source says. Social media did not show any regrets on the death in China sources say and the language used in the condolence message by Xi Jinping, President was quite different from the language used on the death of the Ex-General Secretary of the Communist Party of Vietnam Late Le Kha Phieu source says. This is due to lackluster relations between the two countries source says?