Rule - 01 -5f4fafe7--2-043557.rar _hot_ - Bishokuka No

extension indicates a compressed archive. You will need a utility like to extract the contents. Check-sum (5F4FAFE7):

The story typically follows a male protagonist who interacts with several women in a setting involving high-end dining or culinary expertise. As is standard for visual novels of that era: Bishokuka no Rule - 01 -5F4FAFE7--2-043557.rar