Rinkashikika kutatakuto
Mekachirikushikitoku. XD well okay. hahaha I'm having trouble saying it 
lol I'm Mekachikiku.

It would seem slightly more realistic if you used your 3 initials. In that case I'm Mezuri
Rinkashikarin
Arichikunorikatokiku
Hi I am MEKAFUKURIN. Call me Rin-chan :)
That would be RuKuAriKa. Maybe it'd sound better dropping either Ari or Ka. Think Rukuari would sound more like a male name. Also my real name means "son", "scion" or "sapling". Literally a young plant, but when associated with people it's just "son".