An interesting car ride

Dazai, Atsushi, Chuuya and Auktagawa are assigned a mission together to catch the famous Tokyo killer, but what other stories will unfold when the pairs start to learn more about each other, when the others learn about something Akutagawa's been hiding from everyone, they only wanna help him but how to you help someone that doesn't want to admit they need it.

-soukoku and shin soukoku-
-angst-
-mentions of s/h, and sewer slide-