Are you really asking that bitch boy? Almost everyone in the weeaboo section knows she's best girl; we talk about her all the time. She has a couple threads on the first page m8....
THE NAME IS KISS-SHOT ACEROLA-ORION HEART-UNDER BLADE
.... or Shinobu Oshino for short. She's the ultimate waifu. You should watch Bakemonogatari if you haven't and then use the soon to come Shinobu image title.