Let me show you how good a teacher can at oral sex is—Chasing after a female teacher with a girlfriend and repeatedly giving her oral sex—Jinguuji Nao MIDV-251

Knowing that her favorite male student had a girlfriend, Ms. Nao, despite being an adult, was consumed by jealousy. She called him into the hallway and used the mysterious theory that "oral sex doesn't count as cheating" to NTR him with oral sex. Using techniques far beyond what a young girl could muster, she immediately followed up with more oral sex even after he ejaculated. She relentlessly sucked on him, whether in the infirmary or during exams. She squeezed every last drop of her girlfriend's semen out with both her mouth and cheeks. She caught over 14 ejaculations with her face and mouth. He could no longer ejaculate on anyone other than a teacher.