My aunt (my mother's sister), whom I've always been fond of and kind to, is coming to stay at my boarding house. Actually, I've secretly peeked at her shower and sniffed her underwear, using them as material for masturbation. Just the thought of being alone with such an "onapet" in a cramped room makes my penis swell with anticipation. She also sleeps without clothes, which is unbearable. But she's my aunt... I was hesitating when she suddenly...