A secret that she can't tell her friends, teachers, or even her Ichika had no choice to say no...

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