This game has unused graphics.
In Akiba's Trip, you fight vampires in Akihabara by stripping their clothes off.
A few placeholder portraits were left in the game. Each set contains an emotion listed on the top right.
These three are all labelled "Shy".
This set of four placeholders contains three emotions. The top right is "Laughing", bottom left is "Angry", and bottom right is "Sad".