Kashima Reiko was a girl who was abused 의해 a pair of boys and got ran over 의해 a train in the Meishin express way. It's a Japanese urban legend. A lot of people have an opinion that if 당신 read this story, you'll see her within a month.
It started out while she tried to proceed onto the train because she was going to travel onto another place when all of the sudden, a pair of boys came to her and started abusing her in a really bad way. When it was over, she was crawling onto a railway and a train ran over her since it was impossible for her to get up. She was cut slit open between the belly. So, if 당신 see her, she'll ask 당신 questions. For example, she'll ask 당신 on where her legs are. If 당신 answer it correctly, she'll ask 당신 about whoever told 당신 about this. She won't only ask these kind of questions, she'll also ask 당신 trick questions. It'll be a 랜덤 질문 so 당신 have to pick a choice wisely.
So, that's all I could really explain to 당신 about Kashima Reiko.