|滝島 凪||Takishima Nagi|
|Relatives||Kaname Takishima (grandfather) |
Nagi Takashima (滝島 凪 Takishima Nagi) is the beautiful cousin of Kei Takishima who is a year younger than he is and she has unbelievable strength.
She appears during a brief vacation the SA take at Akira Tōdō's villa where they intended to celebrate Kei's coming birthday.
Extremely arrogant and full of pride, Nagi proclaims herself to be Kei Takishima's fiancée that she loves him very much. However, she quickly becomes jealous of the closeness between Kei and Hikari Hanazono with one another and ends up acting unpleasantly towards the rest of the SA in order to get Kei's attention. Upset that Kei, the only person she feels comfortable around, cares more about Hikari, Nagi tries to get rid of Hikari who comes to see that Nagi only wants to please someone she cares about. Afterward, the two reconcile and become friends.
- The name Nagi means "calm, lull" (凪).
- Nagi's surname Takishima means "waterfall" (滝) (taki) and "island" (島) (shima).