Knowing that his younger sibling was on a business trip abroad and would return after one day and one night, the perpetrator stealthily entered the younger sibling's family home and committed the act of raping his sister-in-law, a plan he had been plotting for a long time. Despite the young woman's cries and pleas for mercy, his animalistic instincts reached their peak, unable to be stopped anymore... When the younger brother returned, he was still afraid but continued to sneak into the house, reenacting the pleasure he had "enjoyed" before once again.