Wannian Lanzi, who is about to join the maid cafe of Jin Zhu Jin, opens the door to another world and enters Ke Xue's Mihua Town.
As Lanzi returns to her old career, a new star rises in the dark world.
However, the road ahead has no end*. Should he embark on the road of Yakuza again, or practice Michiyo's theory of non-violence?
Remarks:
1. Wannian Arashi comes from "Akihabara Underworld War". According to the setting, when she traveled through time, she had not yet joined the job and had not yet met Suehiro.
2. The sentences marked with "*" come from Wannian Lanzi's character song "Lullaby of the Underworld".
Purpose: Those who kill will always be killed.