"Don't worry, Mommy will protect you..." whispers the beautiful mother, Yuri. Worried sick upon noticing strange changes in her younger son, she grows increasingly concerned. Enduring bullying at school, her son gradually begins making bolder, more shameful demands. Unable to refuse, the mother reluctantly complies—until one day, overcome with uncontrollable desire, he loses himself completely and pins her down. Shocked by his sudden actions, she still opens her body for the son she loves. Her once-cold body begins to burn with heat, unable to suppress the rising fever of passion...