Lying Mii-Kun And Broken Maa-Chan V1

The setting is a rural city in where a kidnapping and a series of murders are happening simultaneously, where there was also a similar kidnapping case eight years ago. The victims of that kidnapping, the compulsive liar "Mii-kun" (the narrator), and "Maa-chan" (Misono Mayu) reunite and start living together, despite the fact that the kidnapped children are in Mayu's apartment…