JULY 2, 2026

Episode 47:
19 YO Pregnant Girl Vanished, Her Fiance Spent 6 Years Searching BUT The Truth Shocked Everyone..

This is a condensed written summary. Watch the full video for the complete timeline, evidence, and unanswered details.
YouTube Reddit

Written and compiled by Deeva Jessica.
19 YO Pregnant Girl Vanished, Her Fiance Spent 6 Years Searching BUT The Truth Shocked Everyone..

In October 2016, 19-year-old Kyoka Kimura disappeared from Kyoto, Japan.

She was pregnant, engaged, and preparing for a future with her childhood sweetheart, Seiga Sueumi.

For six years, the man who appeared to be searching for her was the same man hiding the truth.

Her family believed Seiga was grieving with them. They treated him like a son and trusted him as one of the few people who had never given up.

The Perfect Fiancé

Kyoka and Seiga had known each other since childhood. They grew up in the same neighborhood, attended school together, and eventually became a couple during their final year of high school.

Kyoka Kimura and Seiga Sueumi relationship
From the outside, Kyoka and Seiga appeared to be childhood sweethearts preparing for marriage.

When Kyoka became pregnant, Seiga proposed. To everyone around them, it looked like the beginning of a happy family.

But beneath that image, Seiga had been lying, avoiding responsibility, and growing increasingly resentful whenever Kyoka confronted him.

Six Years Of Lies

On the night Kyoka disappeared, she and Seiga argued inside his car after he failed to attend her prenatal checkup.

The next morning, Seiga told her family that he had seen Kyoka return home safely.

Missing person investigation in Japan
For years, Kyoka's disappearance was treated as a possible runaway case instead of a violent crime.

He joined searches, handed out flyers, cried in public, and continued visiting Kyoka's family as if he were another victim left behind.

But in 2022, police discovered that Kyoka's final phone signal had come from Mount Wakakusayama in Nara Prefecture, far from her home.

Suspicious

When police confronted Seiga with the phone location, his calm image began to collapse.

"I killed Kyoka and abandoned her on the mountain."
Mount Wakakusayama search
Police later found Kyoka's belongings and remains near Mount Wakakusayama.

According to his confession, Seiga strangled Kyoka during the argument, drove her body to the mountain, and buried her belongings in separate locations to erase the evidence.

Most painfully, investigators also recovered Kyoka's maternity journal, filled with messages for the child she had been waiting to meet.

Final Thoughts

In 2023, Seiga Sueumi was sentenced to 18 years in prison for killing his pregnant fiancée.

The court rejected his later claim that Kyoka had taken her own life and condemned the cruelty of living beside her family for six years while hiding the truth.

Kyoka was only 19. Her unborn child never had the chance to live. And the person her family trusted most was the one who had stolen both futures.

WE DOCUMENT.
YOU DECIDE.

Our interpretation is only one possible perspective.

OTHER PERSPECTIVES

Different readers reached different conclusions.

Read Community Discussion →
WATCH THE FULL STORY

See the complete timeline, evidence, and context.

Watch on YouTube →
ALL EPISODES
We document the evidence. You decide what it means.
AI CASE FINDER

Find a case

Tell me what kind of case you want to explore.