ADN-630 A video of a company drinking party from six months ago that was in my wife's drawer. Miu Shiramine

I found an unfamiliar USB memory in my wife's drawer. What kind of data is this? I played it out of curiosity and found that it contained a video of a company drinking party held six months ago. I sneaked out in the middle of it so I didn't know what happened after that... but the video showed my wife and Director Nakata having a secret meeting in a hotel...