Kip. 4: The Rainbow-Colored Past
Ilirushwa tarehe 30 Oktoba 2015

After the first murder, Shiki's uncle, Director Shindou, is killed as well. The lab is in an uproar. To find out who the killer is, Nishinosono and Saikawa investigate Shiki's room. There they find a robot named Michiru, and a strange message saying "Everything becomes F." (Source: Crunchyroll)