I'm posting this after I go to bed: ......!

It's "Madness Day" event .

I was doing some research on this event today, and it's interesting to note that this event started in 2007.

Keep up the good work to make this event madness！🙇

ウィッシュリストに登録してね！！！！（Please add it to your wishlist！！！！）

https://store.steampowered.com/app/488860/MADNESS_Project_Nexus/