Lan Lan is the Chinese "copy cat" version of Rizel, however, she is a lot more agressive, and the voice actress uses a lot of Chinese and Chinese-Japanese accents.
She also has exploding tears and knows The Deadly Burning Duo Dragon Fist martial arts style and also knows how to control The Ulitmate Combat Robot.

Lan Lan's sole mission is to have sex with Tomonori, and she is the most klumzy.