Remember: Prioritize safety. Never run unknown .exe files. Use trusted emulators. And if you enjoy the game, consider importing the original Japanese disc (which often sells for $30–$50 on eBay) to legally dump your own ISO.
The method of storing your Yakyuken Special ISO is the CHD (Compressed Hunks of Data) format. It reduces the original 450MB ISO down to roughly 180MB without losing performance or save states. yakyuken special psx iso top
as a rare piece of X-rated software that bypassed official console restrictions of the 90s. technical requirements for running these ISOs on modern emulators? The Yakyuu Ken Special: Konya wa 12-kai Ikusa – Review Remember: Prioritize safety