Chulip is a popular Japanese visual novel that has gained a significant following worldwide. The game follows the story of a high school student who discovers a mysterious pair of lips in a vending machine, which leads to a series of supernatural and romantic events.
If you own a physical copy, you can legally create a backup ROM (depending on local laws). If not, unofficial downloads of PS2 ISO files are widely available on abandonware and ROM sites. Common sources include: chulip download
If you prefer a legal copy to then dump/backup yourself: Chulip is a popular Japanese visual novel that