Saya Ito

14 year-old schoolgirl Tsubame is into university student Toru. She sees him in her area and really wants to be his. She struggles with how to inform him of her love. Then her stepmother becomes pregnant and she is distracted with that development. The one reliable part of her life is the calligraphy class she attends, but then she runs into a woman.

Ichiro Onizuka is a skilled detective who is confined to a wheelchair after being injured in an incident that occurred right before his retirement. Armed with a detailed "city of memory" in his mind, he solves modern-day cases alongside Saki Toyama and Keitaro Jin, while recalling the cases of the past.