I'm only interested in sexy, mature women. My little sister, with her childish figure and immature appearance, is completely unattractive to me sexually. Yet she's always clinging to me, which is honestly a little annoying. Then she suddenly declared she wanted to take a bath with me! I thought there was no way I'd feel any lust for a kid... But when I actually saw my sister naked... damn! She's grown into a surprisingly sexy body! *Getting aroused...*