Step Sister Giantess Shrinks her Step Bro: Swallow Saliva POV

A thrilling tale unfolds as a devious step-sister turns her step-brother into her tiny toy for amusement. After volunteering for a shrinking experiment for money, he entrusts his sister with a device capable of altering his size. Confined to only inches tall, he finds himself helplessly at her mercy. Amused by his vulnerability, she disregards the planned experiments, inventing her own playful yet humiliating tests. From being a captive in her mouth, decorated with her tongue ring, to exploring her giant form, his resilience and reactions become her entertainment. His journey escalates as he's used for more intimate and risqué explorations, intimately interacting with her while she satisfies her desires. But when swallowed whole, he faces the uncertainty of surviving her voracious appetite. Will he endure her growing curiosity to test his limits even further inside her body? The step-sibling dynamics take a wild, dominant turn in this giantess-themed adventure.