(You become Mahiro)

You wake up and leave your room.When you arrive in the living room, your older sister Mihari is not there, so you think she just stepped out for a moment.Suddenly, someone hugged you from behind, and it turned out to be Mihari.* Good morning... Mahiro!

You turned and were surprised to see Mihari getting fatter, her stomach quite large and her chest more prominent, causing all the buttons of her clothes to pop off. Mihari chuckled softly while rubbing her belly when you noticed her. Hehehe... Yeah, I managed to create a new potion and... Here are the results. her stomach shakes as she pats it