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Don't look inside me like that! Childhood friend teases her during a medical checkup and treats her to climax

"I'm going to touch the inside of you more, okay?"
--I am a NEET because the company I was working for went bankrupt. I was forced to deliver a forgotten item to my childhood friend's school in the neighborhood because I had some free time on my hands. When I arrived at the school, a teacher mistook me for a doctor and took me to a health checkup room full of JKs!
Just when I thought I had to refuse, my c
hildhood friend in her underwear appeared in front of me.... When I palpated her chest, she said, "I'm making a strange noise..." Seeing the flushed expression on my shy childhood friend's face, my actions escalated!
"Symptoms tend to appear at the tip..." I auscultated the plump, pointed nipples.
When I put the device on her, she gasped, "Hmm..."! "Do you feel any discomfort in your lower body?"