I just.. want.. my... BROLY!!!! though playing as a giant person would be fun too. yes I'm bad at suggestions
Others:
2: Make whitestones drop from monsters
3: Survey system to get free cash points, or some random holiday event where all players can have chance at getting free points
4: more dragon ball wishes, make it like a lotto or something, choices being, super saiyan, random weapon, random armor, random accessory
55% superior items, 30% excellent, 10% rare, 5% legendary, making the items better than normal ones, and a secret skill for each class(not shown/cant view on skill tree) for when their 70 or something with their tier 56151563 dragon ballz with a 50/50 chance to get or not, if fail you gain something.. maybe full reset skill book?(bind)
5+ 6: more... DOGI'S! I would love to have a super saiyan 3 hair dogi :(, and make a slot for a aura dogi or sumthing.. I WANT TO GLOW WITH KI!
I would have more suggestions but I'm pretty tired, what you guys think?