Building Eight: Definitely Siblings

Building One: The Yumeno Apartments

Building Two: The Twins Homework

Building Three: Mutsuki's True Colors

Building Four: Curry and Rice

Building Five: Satsuki's Anime Clock

Building Six: The Siblings' Multiplication

Building Seven: The Apartment Complex's Pool Opening

Building Nine: For the Love of Pranks

Building Ten: Mutsuki's Request

Building Eleven: How Yayoi Nurses

Building Twelve: The Bond Between Haruki and His Sisters