Sekai De Ichiban Kawaisona Watashi Tachi Dai3 Maku (Kodansha Taiga) [Light Novel]

[Machine Translation] Chika Iwase, a student at the free school "Shizuzuso," is having problems with her mother who is forcing her to return to junior high school. When a new teacher, Michinari Saeki, is told the "real reason" why she cannot go to school, he searches for a way to help her with her senior teacher, Anzu Maihara. The secret of the "world's most pitiful couple" hidden from her is revealed. The hands of the clock are turned back ten years to ten years ago when the biggest unsolved case of the postwar period occurred, and all the crimes are exposed in the light of day.

フリースクール“静鈴荘”に通う岩瀬知香は、中学校への復学を強要する母親との問題に悩んでいた。彼女が学校に行けない「本当の理由」を告げられた新米教師の佐伯道成は、先輩教師の舞原杏と救済の道を探す。そして明らかになる杏に隠された『世界で一番かわいそうな夫婦』の秘密。戦後最大の未解決事件が起きた十年前に時計の針は巻き戻され、すべての罪は白日の下にさらされる。