Swelling Melon Technique 3

Ryobi nodded in satisfaction. So her own overexpansion wasn't just because the technique was meant for girls with already-large breasts. Maybe with a little modification, it could be restrained to a less absurd size. But who to test it on? Fortunately, at that moment, Miyabi arrived, drawn by Imu's cries of surprise. Unfortunately, the modification didn't work.  But at least Miyabi was distracting Imu enough that she no longer minded her own expansion.

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Senran Kagura is copyright Marvelous Entertainment.

And just as a reminder, Miyabi and Imu are both canonically 21.