I was working as an office worker and got married a few months ago, and my life with my kind husband was happy, but I had a problem. It was my relationship with atsushi-kun, my stepson who lives a life like a NEET... One day, while spending days feeling lonely because a wall was being built, a strange package arrived addressed to Atsushi-kun. Atsushi-kun was desperately trying to hide it, but it seemed to be a device for making his dick bigger, like the one advertised in an H magazine...