Kobayashi somehow feels that maybe he can die if he stays with Hanasaki, so he joins the Boy Detectives' Club. His first mission is to help find a jobless young man who's gone missing. The club starts by receiving files on missing persons from Detective Nakamura and her subordinate, Miyanishi, who are facing an investigation of their own now after a medical examiner went missing. They were all set to begin the search, but when the mysterious and socially awkward Kobayashi perpetually clashes with Inoue and Noro, he tries to make a run for it.
but now that my husband is ill, if anything 
happened to Kouichi, I'd just...
aber da mein Mann krank ist,
könnte ich es nicht ertragen, wenn …
pero ahora que mi esposo está enfermo,
si algo le pasara a Kouichi...
mas agora que meu marido está doente,
se acontecer algo com o Kouichi...