I have loved you for continuously for the last 500 years... The whole whole whole whole whole whole whole time!!!

Mami is forever up to her neck in work. Day in, day out. She works herself to exhaustion.
So much that, the moment she returns home, she simply wishes to resign to bed and sleep...
However, on one such evening... Mami feels something strange between her legs.
Looking down to the source, there is a stranger there...? No, wait... it's a GHOST!?!?
And he's licking her most precious of places!?!?!?
Incessantly sucking on her clit, the ghost brings her to orgasm...!!

In the morning, Mami heads to work feeling light and refreshed...
only to find there's a new recruit that looks just like ghost she encountered last night!!
At first she is highly suspicious, but due to his kind disposition she eventually lets her guard down.

However, it would seem the new recruit has a somewhat obsessive spark in his eyes and...?

Official Translations:
English, S.Chinese, T.Chinese, Korean