The Kawai Complex Guide to Manors and Hostel Behavior(2010)

Bokura wa Minna Kawaisou

Thanks to his parents’ job transfer, Usa has to live on his own. The problem is, his new place is full of weird people, and the upperclassman he admires is one of them…? A teenage romance comedy that’s heavier on the humor, not so much on the romance!

(Source: Manga Planet)

Note: Includes 4 extra chapters.