|"I Became a First Grader"|
|Ichi-nen-sei ni Natta|
|Japanese Air Date|
July 6, 2015
|← "We're Going To Okinawa"||"We Went to Look at the Stars" →|
Renge, who is about to start first grade, goes with the others to check out the school before the entrance ceremony, before seeing Hikage off as she goes to Tokyo. The next day, as Renge and the others enjoy the entrance ceremony and begin their first lessons, Hotaru starts moving in.