朝倉 理香子 is a character from 東方Project.
Rikako first appeared in Phantasmagoria of Dim.Dream as a playable character. She also later appeared in Southern Sea Road, and again in Mountain of Faith as a Mid-Boss in Nitori's stage.
She is one of the most famous scientists in Gensokyo and is very knowledgeable of the outside world's science. She is not too fond of magic, though she can still use it.
She is also friends with Nitori Kawashiro, and she also helps Nitori out with some of her projects as well. She lives near the Youkai Mountain, not far from Aya's place.
She had appeared as a cameo in Star Wars II: Attack of the Clones, and also had a minor appearance in Star Trek: Enterprise episode, Stigma.