Qi Yi and An Qiaomu have known each other since they were children. Because their mothers are best friends, they often hang out together when they take their children out to play. Their mother is chatting next to them and the two children are playing nearby.
When he grew up, because Qi Yi was three years older and had good grades, he was sent by his unscrupulous mother to be An Qiaomu's free tutor. After teaching him, his taste changed.