The term "Girls Cup" is more commonly associated with sporting events or promotional idol activities in Asia rather than a specific "shock" drama.
"Girls Cup" frequently refers to youth football (soccer) tournaments, such as the WAFU B U20 Girls Cup . 2 Girls 1 Cup -Hungry Bitches- MFX-1209- Complete Video
If you are looking for high-quality Japanese entertainment or drama series, current major productions include: 2 Girls 1 Cup - Wikipedia, entziklopedia askea. The term "Girls Cup" is more commonly associated