My name is Nanaho Ishimaru.
My family name is ISHIMARU.
My kanji character "ishi" has a meaning of "stone". "Maru" has a meaning of "round". So my family name maybe means "round stone".

My first name is Nanaho.
The first character "nana" means
"seven". My parents named me NANAHO because I was born in July, the seventh month.

The second character "ho" means "sail". It is the "ho" of "hobashira", which means the mast of a ship.