こっくりさん 劇場版 (2011)

One morning, a high school girl, Eri Oshima's (Mariya Suzuki) mother, Tomoko, is glued to the TV news. Her eyes were glued to the news of a case in which a boy was found skeletonized. The next morning, Tomoko dies suddenly. Eri was greatly shocked by the sudden death. Later that day, a man came to visit Eri...