It's nice that you're making an rpg game based on current anime shows. Back when I played AD&D with my friends, I was making a tabletop rpg based on escaflowne. I just wanted to use the guymelef
But I couldnt finish it cuz I decided to create everything from scratch. Its a good idea that you're using rpg maker for it. of the current titles, I think scrapped princess is the best. Full Metal Alchemist can work, but why bother when a gba version of it is coming out. You should consider Escaflowne