The Fukuoka District Court announced a not guilty verdict for Arisa Matsumoto, a 29-year-old mother from Kawasakimachi, who had been accused of fatally injuring her 11-month-old daughter, Seno. After hearing the verdict, Matsumoto expressed relief and sorrow over the long ordeal, emphasizing the emotional toll of her detention, in which she could not physically interact with her surviving children due to the conditions of her incarceration. She reflected on the pain of being separated from her children and the emotional turmoil she experienced during her prolonged period of detention.

The legal proceedings of this case centered around the cause of the daughter's death, with conflicting views on whether her injuries were the result of deliberate harm or accidental circumstances. During the trial, it was highlighted that Matsumoto had ceased taking her epilepsy medication, which could have led to a seizure and potentially to the tragic incident. The court ultimately determined that there wasn't sufficient evidence to prove that she had intentionally harmed her daughter, leading to the acquittal.

In media interviews following the verdict, Matsumoto vowed to continue reflecting on her actions and the critical circumstances surrounding her daughter's death. The presiding judge reminded her of the gravity of the situation, urging her to remember the consequences of her actions while expressing a commitment to face her health issues moving forward. Her husband, who also spoke to the media, supported her during this challenging time, indicating a family effort to heal from the emotional and psychological impacts of the ordeal they had faced together.