Yuria, an OL older sister who lost her parents early and lives with her university student younger brother. One day, it turns out that the older woman my brother was dating is actually a married woman. Moreover, I know the fact that a large amount of alimony is being claimed from the husband. Yuria, who can't prepare the money right away, took her younger brother and headed to the other party's house to apologize directly. The person who came out there was … above all, it was Yuria's direct boss who hated it …. From that day on, the life of a substitute meat urinal that changes fate begins...