My Hero Academia — A Universe from the Mind of Faith Baxter

Ready to move up in the world of heroes, Momo takes an internship with Endeavor. However he has rather unorthodox lessons for the young girl.

After All Might defeats the Nomu, the creature is sent to Central Hospital to be analyzed by Mei and Melissa. The two girls are more than a little intimidated by both it's otherworldly physiology as well as it's muscular body, and of course it's big dick. They decide to perform a few tests off the record to gauge it's reaction.

Denki Kaminari's Quirk isn't working right. After he goes to UA's support department, Mei determines the root cause is his penis. She and Melissa have just the solution in mind.

In an alternate future where Deku emerged victorious by claiming All for One, with the other great power of One for All, he reigns supreme as the Number One Hero. His many lady loves are all too happy to bear his children.

In another universe, it's Melissa not Deku who is the heir for to All for One. At the end of her training period cleaning up trash on the beach, All Might puts her and Mei to the test.