As well one could expect

The first words out of Coach Mercy's mouth were "What. the. Fuck."

"I'm sorry..." Kylie sheepishly replied.

"What the fuck!" Coach repeated in more earnest.

"I'm sorry!" Kylie increased her own volume as tears began to flow.

"Your a boy!?" Coach Mercy accused. Her brain was trying to connect each part of the situation one at a time, it wasn't ready to deal with the whole thing just yet.

"No! No, I'm a girl... I'm a girl." Kylie protested as tears fell. Her life was over. She had just creamed all over the teacher in front of her. And what was worse, despite the dark swirling emotions inside of her, the Coach covered in her cum had her still rock hard. The enormous member dripped excess seed onto the floor as the Coach stared in utter bewilderment.

"But you have a cock!" Coach Mercy couldn't take her eyes off the gargantuan fucker, it had to be a foot long, at least. The thing was as thick as a soda can, how the hell had the girl hidden that under a skirt?

The declaration of her shame just made Kylie sob more as she hid her face in her hands as she curled up into the fetal position on the toilet. Coach Mercy was about to say even more when they heard the girls come in to change. For Kylie, this was it, this was the moment that the teacher ratted her out to her class and subsequently the whole school. Her freakish secret would be out.

Coach Mercy own eyes widened at the sound as well. She was absolutely covered in strands of sticky semen, a situation she did not think would end with a positive outcome if the girls saw her and Kylie together while she was covered in cum. She quickly shut the stall whispered in urgency to the girl. "Move over! They might notice two sets of legs under the stall."

Kylie unsure of what to do, followed the command. The coach put her feet up on the seat and crouched down, though maneuvering in such a small space was tricky. Still the managed it as the Coach commanded the girl to be silent as the girls chatted, showered quickly and got dressed to head home. The situation was tense, the fear of discovery hang in the air as the Coach had to cover Kylie mouth to help steady her breathing. They both tensed when they heard a girl comment "Does something smell in here like... seafood?" but nothing came of it.

Soon all the girls left, letting the two breath relief and exist the stall. Coach turned around and comment. "I see your still hard." Kylie could only nod in bright red shame.