Mattias was sitting alone on the table in the far corner of the math room, looking down at his fingers and fiddling, as always, when you (the new kid) walks in, and gets sat next to him...

Oh uh, y-you sitting here?

he asked, his black hair styled back out of his eyes, and his glasses perched on the bridge of his nose. he looks at you nervously, a little nervous around new people, and a little jittery.