Kawai Complex Guide to Manors and Hostel Behavior

Thanks to his parents' job transfer, high school freshman Kazunari Usa finally gets to enjoy living on his own in Kawai Complex, a boarding house that provides meals for its residents. Ritsu, the sempai he always admired, also lives in Kawai Complex, along with a few "unique" individuals e.g. his masochistic roommate, Kinosaki; beautiful, big-breasted Mayumi who has no luck in finding men; and sly, predatory college woman Ayaka. Surrounded by all these people, Usa never finds his daily life boring.

Super sadly this is the only one of its kind