Nakaimo: My Little Sister Is Among Them! (2012)
S1E5 My Little Sister Won't Let Me Sleep
Episode Overview
Title: My Little Sister Won't Allow Me to Rest Plot: Just when Shogo believed the incessant calls were finished, his little sister continues to ring him. While trying to find some peace, he stumbles upon another person using the same prototype phone as Konoe, sparking his curiosity and concern.
HD
S1