After several quarrels between the couple, the bride finally ran out of the house. Under Atsushi, who was at a loss, his sister-in-law, Rin, came to see the situation and asked for further consultation. Atsushi, who was taught the secret plan to keep the couple in good condition, promises to thank him as a sign of gratitude. Atsushi, who has made a promise, will thank Rin with his body that night.