A year has passed since Menma's ghostly return to the Super Peace Busters. Although the time they spent together during that summer was short, the five members reminisce about what happened as they each write a letter to their lost friend.
Jinta "Jintan" Yadomi (voice)
Meiko "Menma" Honma (voice)
Naruko "Anaru" Anjo (voice)
Atsumu "Yukiatsu" Matsuyuki (voice)
Chiriko "Tsuruko" Tsurumi (voice)
Tetsudo "Poppo" Hisakawa (voice)
Young Jintan (voice)
Young Yukiatsu (voice)
Young Poppo (voice)
Atsushi Yadomi (voice)
Satoshi Honma (voice)
Touko Yadami (voice)
Irene Honma (voice)
