The first episode of the drama series "Ichijigen no Sashiki" (One-Dimensional Cutting), starring Ryosuke Yamada of the popular group " Hey! Say! JUMP " and featuring actress Sei Shiraishi as the heroine, aired on July 5th on Yomiuri TV and Nippon TV (Sundays at 10:30 PM), and it has been revealed that the average viewership ratings (according to Video Research, Kanto region) were 5.0% for households and 31% for individuals.
The drama is a human mystery based on the novel of the same name by Ryunosuke Matsushita, which won the 2025 Bunko Grand Prix in Takarajimasha's "This Mystery is Amazing!" competition. Yamada plays Nanase Yu, a graduate student studying genetics who gets caught up in an inexplicable mystery, while Shiraishi plays Iwamizaki Yui, the heroine who partners with Yu and is the niece of the professor at the research lab Yu belongs to.
The first episode was broadcast under the title "A Mystery That Takes on a Mystery That Transcends 200 Years."
The story revolves around a 200-year-old human skeleton unearthed in India that perfectly matches the DNA of a missing sister-in-law. Suspicious deaths of those involved, stolen remains, vanished memories of the past... what unimaginable conclusion awaits at the end of the truth?
