The way it works is that just as this software says, the original tenant remains responsible for the rent through end of lease term. In San Francisco, once all

The way it works is that just as this software says, the original tenant remains responsible for the rent through end of lease term. In San Francisco, once all original tenants have left, landlord can reset the rent to market rate. So you can sublet through end of your lease (which is what most people want to do). After that, you don't care.