I will become the ice jellyfish queen with the Chat Group(Dropped)

after her death, Grey meets a man named six who tells her she will be reborn as a random on a random world but she

has two wishes, before she is reborn his first wise is a Chat Group system, and the second, was super healing so even if she lost her head her body will grow back so after she is done wishing she wake up to find herself in the sea only to see she is a jellyfish in the middle of a frozen sea but this will not make her give up easily she will live like a king or die trying and she is not alone she has a big family of overpowered heroes and villains

note Grey is a codename can you guess her real name