The Kawai Complex Guide to Manors and Hostel Behavior — Don't Have Any Friends
A girl with a round face and glasses suddenly shows up at the Kawai Complex. Her name is Tsuneda Miharu and she turns out to be Sayaka's friend, but Sayaka seems unhappy to see her. The reason soon becomes clear as Miharu turns out to be a box of Sayaka's weaknesses. She is immediately welcomed by the residents of Kawai Complex.