Yuzurina Houshou (宝生 柚璃奈/Hōshō Yuzurina) is one of the heroines of the Kono Naka ni Hitori, Imouto ga Iru! series.
Yuzurina appeared to be a sweet, playful girl to Shougo.
A mysterious girl who poses as Shogo's real sister. However she is revealed to be responsible for the incidents that have occurred around him at the school. Her real name is Nayuri Danno (檀埜 那百合 Danno Nayuri), a famous former child actress who starred as Perin in "Transforming Warrior Granberion", Shogo's favorite show during his childhood. It is revealed that she is in allegiance with rivals of the Mikadono Group to cause a scandal for Shogo.