SGKI-099 Tentacle Pet Kuu-chan: The Youthful Sisters Enchanted by Tentacles, Complete Edition

Two sisters found a mysterious egg by the roadside. After bringing it home, a few days later it hatched into a single tentacle that made a cute cooing sound. They named it Ku-chan! And so began their strange yet adorable life with a tentacle pet… But the growth rate of this unusual pet was far beyond human imagination. The sisters were swept along by Ku-chan, which grew rapidly into an adult that knew no restraint. Exposed to a mysterious milky fluid and awakened to overwhelming sensations, they gradually became captivated by its gentle caresses. Before they knew it, they had been transformed into bodies unable to live without tentacle Ku-chan…!? A complete story depicting the bizarre and alluring bond between a mysterious tentacle pet and two sisters!