After his much enjoyable leak Mark was ready to kick back when he felt a strange tingle within him. He felt the familiar feeling of growing pains but amplified 10x, hw knew what was about to come next but it actually surprised them both.
Mark grew but it wasn't as much as he dreaded he would return to but in fact dropped him off at age 18. Astonished at another change to his body Mark realized he wasn't done having fun yet. He standing in his still fitting diaper got out of his crib only to realize the awkwardness of being a youngster.
Then Mark felt something else grow in his warm overly sized pamper, his dick rose and he felt wonderful yet extremely horny at the same time. With his leg strength back he sprinted upstairs into the bathroom and got to work.
He firmly grabbed his cock and got to work rubbing it through the comfy padding, it got harder and longer as he remember what a stud he was back in the day. He felt enough and undid his tabs letting his masterful cock sling out, he grabbed and fiercely started rubbing one out. He realized something was missing from this equation and without letting go he went into his room and opened his memory box, inside he found a pacifier in it package from when he wanted to be a baby again at age 7. He popped it in a sucked as he stroked his dick vigorously and began to twist his hard nipples, he felt close to ejaculation and stumbled down the stairs trying to reach the changing station that had became filed with the same baby stuff as earlier but that a Teen baby diaper lover would have. With one hand Mark grabbed a diaper, put it on and came.
His ejaculation shook him deeply, there went that feeling again. Mark fell on his padded ass and felt completely incompetent for the time that it took for the change to complete.
Next was ...