New OC challenge? Part 1 (Patreon)

She really wanted to be a canon OC, and despite the artist telling her no, a Patreon suggested an idea: "What if we set a challenge, and if she passes it, we let her be canon?" The artist agreed, but only if the challenge was something impossible.The challenge was to stay underwater and hold her breath for 4 minutes while having a vibrator inside her. She (who has no name) accepted, saying it would be very easy. Once in the water tank, she took a few deep breaths and submerged.She limited herself to smiling at the Patreon, occasionally teasing him a little, but after a few seconds, the Patreon pressed a button on a remote he had, and her eyes widened in shock—it was the vibrator, which they had turned up to a high level...