S1, E3: After saving Tsubaki, Mitsuru hears a disturbing conversation between Masaya Uwajima and his secretary. Next morning, Reiko Bando is found dead in the sea. A suicide note is found, and witnesses say she and Tsubaki had been quarrelling. The media blames Tsubaki for Reiko's death. To hide from reporters, she escapes to Mitsuru's room. There, she finds his diary titled "My Last 3 Months on Earth."