You laugh. "Heh.., I'm actually my little brother now."
You carefully feel your new body up. You give your new crotch a gently squeeze and smile satisfied.
"I always wanted to know what it'd feel like to be you." you say while looking at your new self in the mirror.
You take off your shirt and flex your muscles in the mirror. As your trousers fall onto the floor you can't but stare at the sight of an unfamiliar bulge in your underpants. You move your small hand onto your belly and look away.
"He won't know... so..."
You then slide your hand into your underwear and start to softly stroke your little brother's dick. You can see Benjamin's cheeks turn red and feel his heartbeat increase in speed.
"Hmmm..." "That's good." you softly moan to make sure Jacob doesn't hear it.
"You feel so young and good..." you tell Benjamin in the mirror.
Your young cock is now fully erect in its glorious 4 inches. Sweat starts running down your head as the stroking is making you warmer and warmer.
"I... I.. I can't h... hold it much l.. longer..." you moan as you drop down onto your knees.
The moment arrives and you pull your hand out of your pants. Your cock becomes even warmer than it already was as the cum starts running up Benjamin's dick. You bend over entirely with your head on the floor and let the pleasure overwhelm your fragile body.
"Ungggg.." you moan as you feel the flow of your little brother's cum passing your feel-good place in your cock. Then your dick explodes into your underpants blasting it full with your freshly made semen.
You let yourself fall onto the floor and slowly roll over onto your back. There you lay, gasping for air while recovering from the intense experience.
"That was extraordinary good..." "It must've been his first time."
You sit up straight and look into the mirror. Your little brother Benjamin is looking right back at you with a, clearly visible, wet spot in his underpants, recovering from his first, ever orgasm. You slowly stand up and feel the cum press onto your lower belly. It feels nice and warm. You smile at yourself in the mirror with wide eyes of disbelieve of what you just did to your 11 year old little brother.
"You just feel so good..." you give yourself as an excuse for what you did.
You know you should clean 'yourself' up and leave your little brother, but you just can't...
"I'm sorry Ben, but you just feel too good to leave." you say to your little brother in the mirror and walk away from it.
You put your trousers and shirt back on again and decide to remain your little brother for, at least a little longer. Now that you 'are' Benjamin... What will you do next?