The Taiwanese drama - Law Of Permanence - is the last BL drama in the VBL series, with a science fiction romance drama theme.It tells the story of when Chu Yiping, an emotionless man, had an accident at school and dislocated his hand, his uncle gave him Ever 9 as a caregiver, an experimental intelligent robot that his company was secretly testing.

Although Yiping was reluctant at first, he found that Ever 9 made up for his shortcomings and made him feel accompanied.Yiping asked Ever 9 to make a wish and complete the wish list together, but before the list was completed, Ever 9 collapsed.The fix will only take a week and Ever 9 will be reset soon.After the reset, Ever 9 hurriedly completed the wish list, pretended to be tired of Yiping, and actively asked to return.

Yiping didn't know what was wrong with Ever 9 because he learned how to be a human being and how to experience love.Couldn't he just learn how to spend his life together?Does the promise of not leaving each other become invalid?