Date Mizuki

A character from AI: THE SOMNIUM FILES - nirvanA Initiative, also known as Okiura Mizuki in AI: THE SOMNIUM FILES.

Girl of Steel Pipe
A girl with inexplicable superhuman strength. She's the daughter of Lemniscate's CEO, and a close friend of A-set. While her father concentrated on his company, she started living with Date Kaname.

Due to certain events, she became the CEO of Lemniscate and Date legally adopted her. Sometime later, she would end up joining A.B.I.S., the special police branch Date works for, as a brand new special agent, employing Aiba while Date is on a "special mission" alone.