Takayuki Ichikawa

Shogo Kai is a lawyer at one of the big 4 law firms in Japan. He is good at his job, but he is arrogant. Shogo Kai only thinks about winning and he thinks the only way to satisfy his clients is to win. He is getting close to becoming a senior partner at the law firm. Shogo Kai's boss worries about his focus on winning above all else. As a condition of his promotion at the law firm, his boss asks him to hire a young lawyer as an associate. Shogo Kai interviews prospective young lawyers and meets Daiki Suzuki. Daiki Suzuki has high intelligence and his memory ability is amazing.

Yoshino Michi is 32 years old. She's been married for five years, but hasn't had sex for the last two. It's not as if she doesn't get along with her husband, it's just that the sex part is lacking. It was a bit unexpected, but one night when she when drinking with her colleague, Niina Makoto, she wound up confessing that her marriage had turned sexless. And then, a shocked Niina responded "My marriage is sexless, too," and smiled with a lonely look in his eyes.

Iwakura Real Estate, a company that investigates properties marked as "accident properties" with "notices" on the wall, receives a new request. This time, the request is about Room 201 in Urban Heights, where tenants have been moving out one after another due to strange noises being heard. Investigators Mayama Yuto and Shinonome An begin their investigation, but a strange phenomenon is looming over them as well. As they continue their investigation, they discover that the cause of the strange happenings in Room 201 is Room 301 on the floor above. However, when they step into the "unopened Room 301," a frightening truth is revealed...