12-nin no Yasashii Koroshiya - Libra: Kuroki Shinpan

Kohei Ikaruga begins his own search after his friend Takaki disappears without explanation. Determined to uncover the truth, he takes matters into his own hands as authorities offer no answers. Along the way, he encounters individuals connected to Takaki's disappearance, leading him deeper into an unfolding mystery. The situation grows more complex as Kohei uncovers secrets and faces dangers he did not anticipate. His investigation forces him to confront difficult choices and the possibility that Takaki's fate may be tied to forces beyond his understanding.