Hana-chan, dissatisfied with her pet's erection, keeps a casual partner to make a new pet. She challenges herself to have sex with her partner after giving him a horse stimulant, but a mishap occurs! She accidentally drinks it herself. She experiences an even more intense orgasm, gushing abundantly! Even after returning home, her excitement doesn't subside, and she aggressively dominates her pet, causing asphyxiation with face-riding and biting nipples while masturbating, enjoying an exhilarating sex with a height difference of over 20 CM.