Twin Series 5 - Wanwan Meitantei Ex + Mahou No Kuni No Cake-Yasan Monogatari is a video game for the Game Boy Advance (GBA) console. It is a mystery adventure game that features a detective dog named Wanwan and a magical land where players must solve various cases and puzzles. The game also includes elements of bakery management, as players must run a cake shop in the magical land.
