Ah, sweet and creamy Capcom milk.
Wii U VC
Mega Man Battle Network 4: Red Sun (Game Boy Advance): ¥702 (¥1100 cart-only, ¥1300 complete on Suruga-ya)
Mega Man Battle Network 4: Blue Moon (Game Boy Advance): ¥702 (¥390 cart-only, ¥1350 complete on Suruga-ya
The most interesting thing about games like this is the used prices. Why is Red Sun more than Blue Moon on average? Is it just this store? Is it everywhere? Which sold more? Why? Did people really pick up both or just one? Did Pokémon truly ruin the Gameboy generation with the dual-version games?