Bakemonogatari+Nisemonogatari

Bakemonogatari Sypnosis : Koyomi Araragi, a third year high school student who is almost human
again after briefly becoming a vampire. One day, a classmate named
Hitagi Senjogahara, who never talks to anyone, falls down the stairs
into Koyomi's arms. He discovers that Hitagi weighs next to nothing, in
defiance of physics. Despite being threatened by her to keep away,
Koyomi offers his help, and introduces her to Guide Oshino, a strange
middle-aged man living in an abandoned building, who cured...