5894 - One Piece Gigant Battle 2: Shin Sekai (J)

BoxArtDescription
ROM Code : 5894
Title : ワンピース ギガントバトル!2 新世界
Game Region : 【Japan】
Released Group : Caravan
Rom Size : 1024MBit
Archive Name : cvn-opgb2.rar
Notes : 【FAQs & Walkthrough】

5893 - Tamagotchi Collection (J)

BoxArtDescription
ROM Code : 5893
Title : たまごっちコレクション
Game Region : 【Japan】
Released Group : Caravan
Rom Size : 512Mbit
Archive Name : cvn-tgc.rar
Here is the AP (Anti Piracy) Fix:
1. Download 【Dicastia_AP-Patch】
2. Extract them to a new folder
3. Drag the ROM onto the Dicastia-Patch.exe
4. Click Yes then click OK to finish
If you still don't understand these steps, you can view the tutorial with images:
How to use Dicastia AP Patcher