Ah, yes. Jorisa Joestar.
For real though, the original has the "Risa" part of Marisa's name. Here, the "Ma" is replaced by "Jo". The root of the pun here is the fact that "Majo" means witch.
So, correction – it's ryakuji for the 魔 in "Marisa"
And I have a feeling that 5528 must be word play, and not some random number. "55" can be "Go! Go!". And I guess "28" can be "Nya"?
Oh, and the comments come in top-down, so chronologically read the bottom one in the box first.