My sister-in-law, while I was temporarily staying with her, drove me to madness... A week of seductive encounters without a bra. (JUY-934 by Kanno Maho)

I've worked in a local appliance factory for eight years… Recently, the company's business has been unstable, so I was thinking of using my seven-day leave to go to Tokyo to look for work. Luckily, I can stay at my brother's house temporarily. It's just that my sister-in-law, Maho, has a rather naive personality; she usually doesn't wear a bra at home…