Curate, connect, and discover
Dazai didn't mind you playing with his hand. In fact, he kind of liked the attention and care you seemed to be showing him, even if it was just towards one appendage. Light tugging and pushing on fingers, delicately tracing his knuckles and the scars littering the back, and even occasionally lacing your fingers with his for a moment — Dazai was happy to let you do it all. To think hands that have previously participated in such horrid acts could be treated so gently made butterflies erupt in his tummy.
He let you do whatever (having trouble saying no to you) while he wasted time rereading his book. You'd pull his hand to your face sporadically through your time playing with it, so it never caused Dazai any alarm. Sometimes you would inspect it closely, sometimes you'd drag his calloused fingertips along your cheek just to see if the degree of toughness had changed, but his favorite was when you'd press a tiny kiss to his palm. Usually that meant playtime was over — soon you'd drop his hand onto his lap and scurry away. Even knowing it brought about the end of his favorite time with you, the tingly feeling of your lips on his skin lingering long after you'd leave made it worth it. All this to say, Dazai was used to you tugging his hand up towards his face, bringing it closer to your mouth. He had to work overtime to keep his heartbeat steady, certain of what was to come next, when...
"Ow!"
It was hard to catch Dazai off guard. You weren't even trying, you just... Well, you wanted to see what would happen.
"Did you just bite me?" He couldn't help the amused (his coworkers would say smitten) smile on his lips as he turned to look at you.
You turned to him with wide doe eyes, a deer caught in headlights as you seemed unaware you had even done something wrong. Timidly, you press a tiny, chaste kiss to the tip of his middle finger — the same finger you'd gently bitten the top of moments prior.
"Mmh... Sorry, Dazai." Your words were languid, gently squeezing his hand before dropping it out of your hold.
Dazai wanted to pout, to say 'you forgot my kiss' while pointing to his palm, but he was too focused on his middle finger — the tingling of where you kissed him and the warmth of your mouth he'd felt around his fingertip for a fleeting moment. As you shuffled beside him, preparing to stand up, his hand shot out to grip yours.
"Where do you think you're going?"
The smirk on his face told you he wasn't too upset by your impulsive action, breathing out a sigh of relief. "Um, away..?"
A grin spanned across his face as he leaned closer. "Not before my payback, you aren't."
Losing distance, his mouth opened slowly until his head stopped just over your shoulder. "I require penance, you know," he mumbled before biting down onto the soft skin.