Spare key

Before Mai's poop could come out, she remembered that under the rug was a key. She lifted the mat and took the key. She no longer had the strength to keep squeezing, so she hurriedly inserted the key.

As she opened the door, she could feel the shit slowly starting to come out into her panties.

When she came in, she threw her things away and hurriedly ran to the bathroom. As she ran, some poop had seeped into her panties.

Maybe it was the rushing relief and self-confidence, or maybe it was the lack of resistance from her anus. But the moment Mai picked up the doorknob, her panties were completely filled with her poop, to the point of overflowing and soiling the floor. Mai moved awkwardly and slowly into the bathroom. She couldn't believe that, being so close to arriving, her intestines were released prematurely.

Frustrated and embarrassed, she took off her panties and threw them into the trash can. She took off her uniform and gave herself a shower.

She changed and looked for some cleaning products to get rid of the mess she had left on her way to the bathroom. She just hoped that no one would notice.