Nanami Miyakoshi (宮越虹海) is a Gravure Idol from Tokyo.
She was born on Oct 16 1997, and is currently 28 years old.
Her blood type is A, her three-size is B91-W65-H90, she is 160cm tall, and her Japanese cup size is E.
Nanami Miyakoshi is also know in Japan under the name にじみん.
She is active on Instagram, Twitter.
