Short story:
In order to investigate the cause of his master's death, Rei Fukutani voluntarily joined the police's undercover plan and reluctantly left his younger sister Qingzhu Megumi who had just lost her father.
Unexpectedly, five years later, they would meet again because of a case.
This time, can he still choose to let go?
(Touko is struggling to draw clear boundaries while still being unable to resist pursuing his wife)
Intention: Be happy every day