On this episode, Kogorou's recalls his past while hanging out with Nao. Meanwhile, Kensuke goes to his house with Yoshio.
Wow, Kogorou's past has a bunch of dark twists and a victim he saved back then is probably affecting his current life. Also it's nice to see more of Kensuke's background. Other than that, the main plot got developed a bit which is nice besides seeing more detailed fillers. Now what's going to be the next actual case for the club? Overall, nice detailed filler of Kogorou's past and some more main plot development.
Conclusion: Nice detailed filler of Kogorou's past and some more main plot development.