伊藤修司（冈田义德 饰）和吉田浩之（草野康太 饰）是在同一个班级里学习的同学兼好友，实际上，修司对浩之一直存有着超越了友谊的感情，他选择将这份懵懂的感情默默隐藏在心底。
"； Do you want to do this; Fatal temptation... Challenge Game : The floral artist Ae-ran (Vicky) and forensic investigator Min ho (Choi Ryeong) from the prosecutor's office both have a family that everyone wants. However, Min ho cannot control her sleeping time, so Ae-ran begins a challenge game in which she seduces unfamiliar men and has sex with them. One day, Ae-ran and Min ho met Alex (played by Choi Hyun ho) at a tango caf é. Alex is interested in and approaches Ae ran, who is more handsome than her husband Alex. Min ho later witnessed their actions and was very angry when he found out that the man Ae ran was luring was Alex. Min ho felt nervous because he realized that Alex was not just a competition partner, so he came to him for a reason. Min ho tried to get rid of Alex, but Alex even grabbed Ae ran and Min ho, feeling the release. The game they started is turning into a disaster...
Yona（斋藤千和配音）是一位来自高华王国的公主。她从小就生活在父亲的精心照顾下，性格简单善良。尤娜一直暗恋着表姐苏方（小林裕介配音），苏方也对尤娜十分照顾。然而，Yuna的父亲Il（Akagi Shin配音）非常反对他们的关系。
