Is Rika a Japanese girl name and what does in mean?

"Rika" is indeed a Japanese girl's name. It can be written in a few different ways using kanji, each with a slightly different meaning:

* 理香 (Rika): This is the most common way to write Rika. It means "reason" or "logic."

* 理佳 (Rika): This version also emphasizes "reason" but with a slightly more positive connotation, like "ideal" or "perfection."

* 利香 (Rika): This version means "profit" or "benefit" and can also be read as "Rika."

Overall, Rika is a popular name in Japan and is associated with intelligence, logic, and potentially, success.