Trying out the tank herself - exclusive bonus animation (Patreon)

After absolutely annihilating Chiyuki with her definitely-not-obvious photo booth gunge tank trap, and seeing how much she enjoyed it, our local beachside prankster began to get an insatiable urge to experience the tank for herself.

It didn't take long for her to give in. She just had to get one of her friends to gunge her.