Teacher, I'm All Grown Up

"'Teacher, I kept my promise... so give me my reward." At the drinking party for the start of the semester, Kang Minjae, my student whom I hadn't seen in three years, was no longer the scrawny middle schooler I once knew. 192cm tall, muscles ready to burst, and... an imposing presence that couldn't even be hidden by his pants. The praise that started under the influence of alcohol turned into a peck, the peck turned into a kiss, and when I came to my senses, my hand was gripping that weapon-like thing of his. "Crazy... shouldn't you go see a doctor about this?" "Touch it. I think I'll get better if you touch it, Teacher." I tried to run away, but he chased me all the way to school. I tho...