Yusei, a son who doesn't like Mako, whose father remarried and became a new mother. One day, Yusei forcibly commits Mako and shoots the figure with a smartphone, threatens Mako with it and trains it to a fucking sex slave. Yusei's training escalate, restraining Mako with DQN's senior while there is no father, spree with electric massage machine, vibes, and committing Mako's big pie with decachin's senior. Mako also gradually went crazy.