The next month

The next two weeks flew by for John. He visited Yumi’s house to continue their study sessions three times each week. John could feel his skills in the bedroom developing substantially; he and Yumi only actually tried a few new sexual positions but he was happy to take it relatively slow. His favourite position so far had been ‘Doggystyle’, Yumi had an incredibly cute round ass that he loved to watch bounce back into his crotch. He hadn’t neglected his oral learning either, finding new ways to please his asian mistress with his tongue. John looked himself in the mirror, his body had already almost reached six foot and four inches but he remained a little on the skinnier side. He played off his rapid growth in height to Yumi as a late growth spurt, which John confirmed on the PC that she believed sincerely. Yumi greatly appreciated the change, commenting how much taller he was than Justin on a number of occasions and how much she liked having sex with a taller guy.

“Is this normal? Am I gonna fill out? Bigger muscles and shit?” He typed into the Master PC.

“Yes this is part of your process. Your muscle mass will be the next step in your development… ‘Big muscles and shit’ comes after you change your height.”

John laughed at Jane’s answer. He had been thinking about his next change for the past two weeks and was reasonably confident of his wording. “For this change: I would like Mrs. Kim’s vagina to change its depth and girth to accommodate my penis in a way that gives her the most pleasure… Similar to what I changed in Yumi.” An afterthought immediately popped in his head, “Wait… will that mean she will have exactly the same vagina as Yumi?”

“Mei Kim’s vagina will be the same in the sense that it will be able to accomodate your size but it will retain its own… personality… if I may be so crude. It will require one change a day for the next week.”

“Alright, good. Make it happen.” His words blinked green

A week later John was looking himself in the mirror again. He was well and truly starting to fill out. He flexed a decent sized bicep and admired his own rippling ab muscles. He again visited the Kim residence a few times during the week, 'studying' hard with Yumi. John noticed Mei Kim’s eyes linger on him during his visits, a few times she had answered the door and eagerly hugged him. Her petite frame now was barely tall enough to reach below his chest.

John noticed that Mrs. Kim was also making more attempts to touch him, “Wow! You’ve grown so much!” She said on one occasion after hugging him, “And have you been working out?” She laughed, groping one of his inflating arms.

He again had been thinking about his next change and typed into his laptop, “I want Mrs. Kim to fantasise about seducing me.”

“John… She already does…” Jane responded.

“Really?”

“Yeah man, you’re a stud.”

“Alright…well… How about lowering her inhibitions that would prevent that from happening? How long will that take?” John asked expecting several inhibition barriers.

“One week.” Jane answered shortly.

“One week? That’s it?” John couldn’t believe it.

“Yeah! She's pretty fucking horny…”

“Great. Lock it in.” His words blinked green.