Of all of the possible reactions or overreactions, this would have never been what Kuon would expect from Takuto getting a marking touched. She removed her finger and held onto Takuto's shoulders, keeping him steady and watching what was still showing of the mark.

It moved. The eye - it had opened. That was... a sign of Azathoth, directly.

"It spread. I think this is a mark from Azathoth, Takuto," she said gently, giving his shoulder a reassuring squeeze. "I'll take a photo to show you, just catch your breath."

Takuto had sounded... well. She'd only heard a few men make that sort of noise. ...She'll keep that to herself for a few minutes.