Anatomy.

At Shiganshina University, Armin Arlert and Y/N are known for one thing: outdoing each other.
Paired together by their chaotic professor, Hange, for a major anatomy project, their competitive dynamic takes an unexpected turn.
Where sharp words, lingering touches, and unresolved tension evolve into something neither of them is willing to define.

-

Then he kissed you there, just below your cheek on your jaw, softer than before, but more deliberate. Slower.

Your fingers tightened against his shirt.

"Mandible..." he murmured against your skin, his voice low, almost thoughtful, like he was trying to convince himself this was still just part of the assignment.

It didn't feel like it.