Her name is Rei Shiratori, and she is 20 years old. Although she attends one of Japan's most prestigious universities, the world she truly craves lies far beyond academics: being struck, suspended, choked, and driven into repeated orgasms. Tears of pleasure reveal what this pale, quiet, slender genius has always hidden. Now she exposes her shame and embraces her dream of being used and gang-fucked by men as a submissive sex toy.