One day, her witnesses Aoi giving her boyfriend a blowjob in her room, and does something out of the ordinary...

There is a secret between her and Aoi that no one can tell... A secret that she can't tell her friends, her teachers, or even her stepmother. Aoi has no choice to say no. Her twisted love is escalating... Aoi has a boyfriend. One day, her witnesses Aoi giving her boyfriend a blowjob in her room, and does something out of the ordinary...