Jun Togawa who wrote the original is a smart cookie. She's covered Slapp Happy, V.U. etc. and is one of the original and most important Japanese pop subverters. I'm not sure, had she not been around, so much J-pop would be so inherently weird. Here's the original (with some dodgy google-translated lyrics): https://www.youtube.com/watch?v=c45a1WTr-wY