Now, as you can see, my dear student, I had marked the area on the chest that you should start cutting. Yes, Hold the blade just like that. Keep your hand steady...Yes, that's right.

Now, press down. Yes, corpses still bleed, just carefully cut down the middle of the breasts like so, and then we will open her up.

Huh? Yes, I called her a corpse. Yes, I know she's still alive, but we couldn't find a cadaver for you to practice on, so we had to use a real girl. At least this way, you can study the organs while they are fresh.