At the end of the episode , Kobayashi and Hashiba learn that their homeroom teacher was a homicidal maniac who turned his victims ' bodies into chairs .
Akechi agrees to accept Kobayashi as his assistant if Kobayashi can find the killer .
At the end of the episode , Kobayashi and Hashiba learn that their homeroom teacher was a homicidal maniac who turned Kobayashi 's victims ' bodies into chairs .
Akechi agrees to accept Kobayashi as his assistant if Kobayashi can find the killer .