Could be

Miss H took off her point-edged glasses, scratching them across Mama’s eyes. The milf screamed as her eyes were scraped. Miss H tackled her, wrapping her claws around Mama’s throat and banging her head against the bed-like mat. Mama gagged and struggled for a while before she got her knees between them, flipping the teacher over her head and sending her sliding out of the ring.

Miss H slid to a stop by the hot tub, adjusting her glasses as Mama pursued her. Miss H stayed on her knees, pretending to regroup when she felt Mama’s hands grab her shoulder. Miss H then reached back, grabbing Mama’s hair and pulling her head down to smack into the side of the tub.

Mama groaned in pain and Miss H grabbed her by the hair, moving behind her and shoving her head under the bubbling water. Mama thrashed her arms wildly as Miss Hoeful held her under. Mama managed to bring her head up now and then before she suffocated, but Miss H kept shoving her under.

“Swim lessons have just begun, my dear!” Miss H laughed sadistically.