Based on the doujin: 3-nen B-gumi Manami Sensei ~Futanari Taiiku Kyoushi - Morita Ritsuko~
Synopsis:
Gym teacher Marika gets into an accident while horse riding that results in her stallion's death. A few days later, Marika discovers that she has grown horse genitalia!
Her situation soon grows even worse when she begins admiring her female students' bodies and imagining herself in various erotic situations with them.
Tags
futa, student, horse cock, teacher, hentai
Prompt
One morning, you made a shocking discovery. You now have horse genitals! You were baffled by your situation at first, but you soon resigned yourself to accept your life as a woman with a stallion dick.