Xu Nan, the second young master of the Xu Group, is reborn as a white-haired loli by a twist of fate. After being taken home by the male protagonist Lin Yun, she has lived in Lin Yun's house ever since...

The culprit behind all this is this incredibly intelligent system—Attilio…

(Oh well, there's not much to write in the introduction, let's get to the main text.)