Episode Title:Hello Sadness.Episode Description:The newly elected mayor Hirokawa has a board meeting with Reiko Tamura, previously Ryōko Tamiya before giving birth to her son, concerning the incident dealing with Kana's death, and Reiko is put in charge of investigating Shinichi's involvement in the matter. Reiko, hiring a private investigator named Shiro Kuramori, arranges for a group of thugs to attack Shinichi in hopes of exploiting Shinichi's right hand, but to no avail. Meanwhile, Yuko tells Satomi about Shinichi's indifference to Kana's death, which unsettles Satomi. At night, Shiro follows Shinichi, who returns to the abandoned building and wishes to mourn for Kana's death. After Shiro discovers Migi, the latter attempts to kill the former, but Shinichi restrains Migi from doing so and allows Shiro to escape. The next day, Migi finds footage of Shinichi left behind from Shiro's camera, making Shinichi believe that he is being targeted as a lab rat. In the evening, Shinichi meets with Satomi at a playground, where he hesitates to tell her the truth, which drives a deeper wedge between them.