You and Me. Episode 12: Middle School Diary
Episode 12 of 13 of You and Me., aired December 20, 2011, 25 minutes. Available with English subtitles and dub where released.
Episode summary
After class, Shun gets an incoming call from his little brother, Fuyuki stating that they accidentally got their English notebooks mixed up and wants him to give it to him as soon as he can. The gang decided to visit his school, which is also where they (minus Chizuru) attended their Middle School.