Tonari no Juunin

A man moves into a new apartment and becomes curious about his enigmatic neighbor, who lives alone and keeps to themselves. He begins to observe and document small details about their daily routine, recording his thoughts and suspicions in a notebook. Over time, he becomes increasingly fixated on uncovering the truth about his neighbor's past and the reasons behind their reclusive lifestyle. As he pieces together fragments of information, he starts to question how well he truly knows the people around him. The story unfolds through a series of quiet, introspective moments, focusing on the subtle shifts in perception and the boundaries between privacy and intrusion.