When police detective Aoyama encounters a man standing on the railing of a bridge and saves him from drowning when he jumps into the water, he never expects to see him again. Much to his surprise, they find themselves in each other's company before long -- this time as collaborators on a serial murder case for which Aoyama is chief investigator whereas Oshikimi acts as profiler.

Say you want to invite a friend to the country. However, the repayment that I have been waiting for is the best sex with Io ...!? It was a relationship between the two that started from their bodies.

In the *Tonotonotonokono* series: