English Majo wa Kekkyoku Sono Kyaku to The Animation 02 | 魔女は結局その客と。。。 THE ANIMATION 第2巻

The witch, Mojigawa-san and her customer Leo-kun are lovers. Leo's demands escalate each time they meet and eventually she finds herself caught up in a whirlpool of pleasure, even though she refuses. During these days, her mother, Mamma, a witch noticed that her daughter's magical power was decreasing, due to having too much sex with Leo. However, as she watched the situation between the two of them through a crystal ball, her body started to heat up...