Hakoniwa no Soleil

After visiting her former teacher's grave, Asahi Sena encounters a mysterious young man who takes a tumble down a nearby staircase. Coming to his aid, she discovers he is Itsuki Tobari—the younger brother of her late mentor. As the two begin to talk, their conversation drifts toward the painful memories surrounding the teacher's death and the events that shattered their childhoods. Drawn together by shared loss and unanswered questions, they embark on a journey to uncover the truth behind a tragedy that has haunted them both for years.