Trace ~ Men of the science school ~ S01 E02 Episode 2

Reiji Mano (Ryo Nishikido) and Nonna Sawaguchi (Yuko Araki) gets asked by Ryohei Toramaru to do some DNA tests for a murder incident of a doctor at an inauguration party. It turns out that he had apparently fallen off the balcony of his room and was discovered by his daughter.