For such a novel title, the following suggestions could be taken into consideration: The Secret of a Sunny Summer Day 2 "A Sunny Summer" Third Party's Third Party The Woman Behind the Sunny Day 5 " Xia Zhixue, Xia Qingtian's Third Party " 6 " Tengjin Si Xia Qingtian's Ex-boyfriend " " Ye Yisheng, Xia Qingtian's boyfriend " 8 " The Story of a Third Party on a Sunny Day " 9 " Little Trouble in Love " 10 " Sunny Summer Day, Love of a Stranger Woman "