You'll probably need np21w for this, but I don't know for sure.

Set your memory(option is under devices) and CPU(option is under emulate-configure) to their maximum value. 

Place the User boot disk in FDD1
Place the System Disk in FDD2
Place the hdi file in IDE #1

Hold the end key while reseting, select the second option in the screen that shows up and make sure GCDクロック is set to 2.5MHz. Exit by selecting the last 
option twice. 

When the prompt comes up, enter INST, then press the space bar over and over. The game should now load.