16:43 JST, April 17, 2026

More than three weeks have passed since a child went missing. Shockingly, police have arrested his stepfather, who reported the boy missing. Why was this child’s life lost? Could this incident have been prevented? Urgent efforts must be made to get to the bottom of what happened.

Yuki Adachi, an 11-year-old elementary school student, went missing in Nantan, Kyoto Prefecture, and his body was later found. The prefectural police arrested his stepfather on suspicion of abandoning the body. During questioning prior to his arrest, the stepfather, who was a remarriage for Adachi’s mother, also said he had killed the boy, according to the police.

Adachi is believed to have gone missing on March 23. His school informed the family of his absence, and the stepfather himself called the police. At that time, the stepfather told the police that he had driven the boy to school.

If allegations against the stepfather are true, that means his account was false. Adachi’s body is suspected of having been moved multiple times, according to the police. It is also puzzling that his school bag and shoes were found in separate locations during searches conducted so far.

Was the aim to obstruct police investigations? Going forward, investigations will likely focus on finding out the stepfather’s motive and identifying the cause of the boy’s death.

The incident has rocked the local community. Wooded areas around where the body was discovered and a lack of security cameras have made it difficult for the police to conduct investigations. For residents who had been hoping Adachi would be found safe, the discovery of his body must have been a tremendous shock.

The effect of this news on children who attend the same school as Adachi is worrying. The city’s board of education is urged to pay close attention to their mental and physical health.

Adachi’s school took more than three hours to notice his absence and contact his family. The board of education apologized, saying that the school “failed to deal with the situation appropriately.” It cannot be ruled out that the delay may have prevented the police from promptly launching the initial investigation.

Once again, social media has been flooded with unverified posts about this incident. A great number of posts have been made based on speculation, with some images even carrying the names of specific individuals along with claims that they were involved in the incident.

Such posts could cause an irreversible violation of human rights. People must stop the careless posting and thoughtless sharing.

As the number of children is shrinking in Japan, the government has been implementing various measures. However, does society as a whole truly cherish its children?

In fiscal 2024, child consultation centers nationwide dealt with more than 220,000 cases of abuse involving children under the age of 18, a number that remains high. In 2025, 538 elementary, junior high and high school students took their own lives, setting a record high for the second consecutive year.

Responses to bullying cases often raise questions because they are not considered to be adequately supporting the victims. It is essential for adults to keep a close eye on the situation of each child around them and give sufficient attention to protecting their lives.

(From The Yomiuri Shimbun, April 17, 2026)

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