Yoimonogatari

Araragi Koyomi's university arc (Monster Season)
Oddities x Mystery
"Do you still feel like playing detective?"
From his kouhai at Naoetsu Highschool, Higasa Hoshiame, comes rumours of the kidnapping of an elementary school girl.
Araragi Koyomi, now a first-year university student, along with Hachikuji Mayoi, Oshino Shinobu and Ononoki Yotsugi begin investigating, but...!
This modern day oddity! Oddity! Oddity!
In the Evening darkness, youth shines brightly.

(Source: Kodansha, translated)