My Beloved Girlfriend Was Corrupted by a Creepy Teacher

Synopsis

I harbored romantic feelings for Saitou Kanna, said to be the most beautiful girl in school.

But she was out of my league… I had half-resigned myself to the fact that an unremarkable guy like me would never catch her attention.

Then one day, Kanna confessed to me herself.

“Actually… I’ve had feelings for you, Ryuuki… Would you go out with me?”

Somehow, we became a couple. We went on dates and deepened our love for each other.

Then finally, today, I invited her to my house.

I deliberately chose a day when my parents would be away… to take our relationship to the next level.

Alone in my room, we faced each other and kissed.

But when our tongues intertwined—

“…Huh?”

I felt something off and pulled away.

Then I saw it: a tongue piercing.

That wasn’t all. When she exposed her chest, her nipples were pierced too.

And on her lower abdomen… a sinister tattoo.

I didn’t know.

Long before we started dating, Kanna was already…