One day, high-school student Koyomi Araragi catches a girl named Hitagi Senjougahara when she trips. But much to his surprise she doesn’t weigh anything. At all. She says an encounter with a so-called “crab...

Momo Ayase strikes up an unusual friendship with her school’s UFO fanatic, whom she nicknames “Okarun” because he has a name that is not to be said aloud. While Momo believes in spirits, she thinks aliens are...

There’s a girl at their school who is always ill. She routinely arrives late, leaves early, or doesn’t show up at all, and skips the gym as a matter of course. She’s pretty, and the boys take to whispering that...