This is fundamentally incorrect. You are committing trademark and copyright infringement no matter what if you use the IP. You might not get sued because Sega will likely not go after you, but that doesn’t make this legal in any way.
This is fundamentally incorrect. You are committing trademark and copyright infringement no matter what if you use the IP. You might not get sued because Sega will likely not go after you, but that doesn’t make this legal in any way.