My aunt, who has always been kind and sexy, came to stay in my room as I grew up. But I wasn't the only one who grew up. My aunt, who used to be my masturbation material, has become plumper and exudes more pheromones, and I can't stand sleeping next to her. And then, before I knew it, my aunt was naked. I was thinking that it would be hard to endure this, but then my aunt came to check on my growth...