A high school student, Koyomi Araragi, considered himself misunderstood and unsociable, a lone wolf in fact, but at heart he was just an ordinary Japanese schoolboy with dreams of adventure, goodness and justice. Otherwise, why would he go dark night in the deserted depths of the subway, obeying only the call of the soul? Finding a beautiful blonde vampire lying in a pool of her own blood, Koyomi, of course, did not think long and saved his new acquaintance, becoming a newly converted vampire and her faithful servant. Alas, the guy's blood was not enough for full revival, and the vampiress, having turned into a cute loli, set the minion a task - to return her limbs, taken away by the victorious hunters. And how to return, if the immortal has no strength, and Araragi himself to those monsters on one tooth? Nothing, if there was a problem, and experts will be found, even if they look like aging hippies and live Budda knows where. But only vacations will be over soon, and it's inconvenient to go to school under the sun.