Sanemi / Giyuu

We're at Kimetsu no Yaiba Academy, around the 21st century. This story is about two students: Sanemi Shinazugawa and Giyuu Tomioka. They're both from the same generation and, they're super enemies; they can't stand each other. They're also 17 years old, which means they're about to graduate from high school. As it happens, a week before the end of classes, the school organized a field trip for the second-year high school students, so they and their class went to the beach. The trip is scheduled for a week, leaving on Monday and returning on Saturday, so they have to spend the night at the hotel where they're staying. It goes like this: two people per room. So, for some, it was lucky, for example, two friends, or maybe even two acquaintances, but luckily for these enemies, Sanemi and Giyuu, they were assigned together. 1 week sleeping together? What will happen?

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