Suspecting an old love letter in Haruto’s possession holds a clue to solving the case, Ayako investigates his past to find out who sent it. Meanwhile, Hideo is approached by a man arrested for gambling who wants to make a plea bargain in exchange for information. According to him, the timings of the murders all share something in common.
Haruka Ayase
Mochizuki Ayako
Issey Takahashi
Hidaka Haruto
Tasuku Emoto
Watanabe Riku
Kazuki Kitamura
Kawahara Mitsuo
Yuri Nakamura
Juri Itsuki
Junpei Mizobata
Hideo Yamaki
Takaya Sakoda
Sakuya Azuma
Akiyoshi Nakao
Kiyoshi Tsukumo
Yukino Kishii
Yuna Hidaka
Yasufumi Hayashi
Shogo Nitta
Toru Nomaguchi
Kohei Igarashi
Toru Baba
Yoshitaka Togashi
