The teacher is the character you put on the middle of the class, front row.
Btw, for those who don't know, the last option when you are talking to a girl, the symbol with a guy running.
If you choose that one it will pop up 3/4 options, the first one is to tell the character to follow you...
As for my gameplay experience, I somehow managed to get into a h-scene (two girls).
Animations and character expressions look very good.
It might not have the same amount of positions as the first game but what's there looks great and more varied.
Things I didn't like about this is that we...