R17 is a part of Sixteen Syndrome. It continues the relationship between the three main characters. Ibuki is stronger and cooler than any guy. She is known as the prince and her beautiful best friend, Mei is known as the princess. They are always together and Ibuki has promised to protect Mei. A known playboy named Asada made a bet with his friends to see if he can pull apart the well known prince and princess couple. But he finds himself falling in love with the prince, Ibuki!

Description by LuffyNoTomo