[Sagoso (Sago Seura)] Breeding Lesson with a Big-Bazonga'd Small Scientist [Project Valvrein]

A petite scientist, bound by a snug collar and leash, is taken under the master’s firm guidance for a breeding lesson that forces her massive breasts and swollen, inverted nipples to the forefront of the struggle. She gasps, cries, and slips into a trembling ahegao as the master’s commanding touch pushes her body into ecstatic overload, the tension between obedience and desire heightening with each intense jolt. The climax erupts in a flood of fluid and a load of pleasure, promising an addictive, unforgettable experience for the devoted reader.