I SAY, SINK OF DARK

I say, sink of Dark summary:

Iruka Sumoto wishes to surpass Birou Akutaya, a detective prodigy. A disappearance case catches the attention of Iruka and drags in Birou.

Iruka Sumoto wishes to surpass Birou Akutaya, a detective prodigy. A disappearance case catches the attention of Iruka and drags in Birou.