きせきKi se ki, in Japanese, means - miracle.
(Note: body romance, soul lily)
Rumor has it that people's souls all have gaps, and they are constantly looking for and comparing the gaps between the other half and each other to see if the gaps can be merged into one.
Some people spend their whole lives searching, and some people simply smash their own puzzle pieces and forcefully put them together with another piece.
On the way to find his own puzzle piece, something happened to Xie Zhu.
Intention: Dreaming back at midnight