No picture, but I'll contribute my personal experience. Warning, greentext ahead.
>was 15, live at school dorm.
>have things for hot senpai in upper class
>he's a nerd jock (now I heard him doing PhD), no spectacles
>alluring well toned body, plays soccer and softball, has high and mighty vibe around him.
>never saw girlfriend around him, do observe Catholic customs.
>we dont have shower room that time but an open air water huge bath tub where using pails and share with everyone.
>no one's naked but using colourful briefs. Boxers not yet popular. Squinted eyes to see through light-coloured briefs. Never get caught.
>ah, senpai just back from his sport. The musky smell.. makes me hard. Now he's undressing, put his dirty clothes in pail and scoops water in the tank/tub
>his classmate, full water in pail, splash through his tiny briefs. The brief literally rolled down to his knees.
>gasped because the first time seeing his huge flaccid monster. Love him more.
>they laugh themselves, show off, and quickly revenge on his friend. Me enjoy the show. Lol
>finish doing laundry and took bath, went to hang clothes.
>saw senpai cloth line, where he hangs his laundry. Note to self.
>late night, snooping around senpai cloth line and stole one of his briefs.
>smell it, senpai crotch smell still there, mixed with detergent smell.
>quickly rushed back to dorm, hides senpai's underneath my own brief.
>have imagination of "our crotches are together now". Lol
>when no ones around, take senpai brief and jerk off.
>returned the briefs on senpai cloth line once washes it secretly, and steal another fresh ones.
>one day, have enough courage, sneak into senpai room. Dark,
Doors not locked, note self after observing for weeks.
>fav senpai sleeping so gracefully, must have been tired after playong soccer.
>Sleeps in his briefs. Perfect timing, easy job.
>rolled up his shirt, tickles his nips. Hide underneath his bed. No sound or movement. So assume he's sleeping soundly.
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