Make balance Character Selection in Donation

Emy121

As Mentioned every time when new server start I see ppl lvl 31 or lower with all great gear and SSS ultimate bleach chars in formation.PLS make restrictions in formation for example
if ur lvl 20-30 can only add D grade chars in formation
if ur lvl 30-40 can only add C grade chars in formation
if ur lvl 40-50 can only add B grade chars in formation
if ur lvl 50-60 can only add B+ grade chars in formation
if ur lvl 60-70 can only add A grade chars in formation
if ur lvl 70-80 can only add A+ grade chars in formation
if ur lvl 80-90 can only add S grade chars in formation
etc
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Make ultimate bleach char hard 2 get when higher level.
Let them donate for each bleach character when they level up and Never for Ultimate in 1 click.

Pls make balance cuz i feel like quiting again playing the game. I had high hopes playing the game again. I quit game last year but as i can see nothing have changed.