Trial Marriage: 99 Days of Love

It tells the story of Quan Zi Mo, who has been living under the arrangement of his father, and accidentally meets Shen Yun Xi. When the two meet again, Shen Yun Xi completely forgets him. It turned out that Shen Yun Xi had lost her memory due to an accident, and the next day she would forget what happened the previous day.
(Source: Chinese = Best TV Dramas Youtube || Translation = MDL)
~~ Adapted from the web novel "Shi Hun 99 Tian" (试婚99天) by Mo Chun Hua (墨春花).