Mayuri will be so happy! She has 10 tentacles all using Kidou at the same time :D

Yes! She'll still get to take care of them.

...Would Nemu be smiley/happy? Would it be a subdued happiness or would it make her genki? Maybe I'll add a twist of nightmare fuel and make it so she never stops smiling no matter what happens and blinking would be optional...

she didn't make Mayuri happy honestly...