The Whitechapel Fiend (Tales from Shadowhunter Academy 3)

"Don't stop," he said.

Emma couldn't have stopped if she'd wanted to. The stele seemed to be moving of its own accord; she was blinded with memories, a kaleidoscope of them, all of them Julian. Sun in her eyes and Julian asleep on the beach in an old T-shirt and her not wanting to wake him, but he'd woken anyway when the sun went down and looked for her immediately, not smiling till his eyes found her and he knew she was there. Falling asleep talking and waking up with their hands interlocked; they'd been children in the dark together once but now they were something else, something intimate and powerful, something Emma felt she was touching only the very edge of as she finished the rune and the stele fell from her nerveless fingers.

"Oh," she said softly. The rune seemed lit from within by a soft glow.