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Tatsumi yearned to make Mayoi happy, no matter what they requested of each other. Even if her partner's tastes were, well, extreme at times, he wanted to discuss everything. Accommodate what he could for Mayoi. She knew they loved collecting things, some of which were concerning, at least to him. Especially when Mayoi asked her to cut them.
It was almost scary, knowing their past and mannerisms- But she wanted to please. Discussing it over and over, slowly getting used to the thought. Putting it into action as she slowly thrust in, drawing small beads of blood on their chest. Thinking of what would happen if he was on the receiving end. She prayed much longer than normal before bed that night.
The thought invaded and settled in his mind, getting more comfortable day after day. He hoped it was just squatting, until it got louder and louder. She did think of himself and Mayoi as a couple, just not legally married- only approved of by her parents. Even after telling them Mayoi wasn't a girl. Maybe he could be safe, he could repent. She shakily told Mayoi one afternoon.
And now he ended up in Mayoi's room, kneeling on a towel half-naked after they swore up and down that Mashiro definitely wouldn't be there that night. They rubbed circles into her thighs, whispering that it would all be ok. It excited him more to think that it wouldn't.
"Are you ready, Tatsumi-san…?" Mayoi leaned in, clunking their forehead against the other's. She breathed out, shaking after seeing their sheer eagerness. "Yes- yes. I'm only worried about your own pleasure." Mayoi giggled, disgusting and saccharine. "It's enough to do this all for you...maybe we aren't so different…~"
They pecked at Tatsumi's forehead before pulling away, grabbing a bottle of lube and a knife from a basket under their bed. Of course they stored them together. Mayoi was both so excited, yet so meek- but he wanted them to ruin her. Disgusting. They shuffled over, Tatsumi gasping as cold lube dripped onto his half-hard shaft. Mayoi wrapped their left hand around her, the gloves making their slow pace seem even tighter.
"I'm sooo sorry that I can't do much else…" They leaned into the crook of his neck, sucking on a spot of his collarbone. "Don't- nhh...worry." It was a treat to Tatsumi, just having her own request fulfilled, even if it was horrible for a holy person like him to ask. She absentmindedly rutted into the other's hand, exhaling hard when Mayoi's pace stopped. They pulled away, straddling Tatsumi's right thigh and uncapping the knife beside them. They held it up, the purple grip and glint of the blade reflecting in his eyes. She barely swallowed down a whine as she caught Mayoi smirking, rubbing the back of the blade against his taut skin.
They whispered a small "ready" before stroking and slicing at the same time. Tatsumi groaned deep, beads bubbling up from within her body. He wished it could stain forever, Mayoi's art on her body- another slash, longer yet faster, criss crossed with the other wound. He threw his head to his chest, moaning as she bucked her hips up. He felt a few drops snake down her leg, relishing in how much it stung horribly. Vile.
Mayoi's own breath was heavy, carried away by their own fantasies. Finally being able to toy with their partner as if she belonged to them. They played with his tip as they made tiny cut after cut, finishing off the pattern with a long stroke that went through most of the previous wounds. Tatsumi's vision was blurry, tears and blood prickling up all over her body. His body was wracked with a sob as Mayoi thumbed at the previous openings, pulling open skin and flesh, exposing it to air. Absolute delicious torture.
Mayoi stopped stroking for a second, leaning in to kiss Tatsumi's cheek stained with sweat and tears. "Are you alright?" Soft and devilish, her partner was. He nodded, no coherent words forming when she opened her mouth. Mayoi suddenly started stroking again, her high coming back as they dug the tip of the blade into his skin and sliced hard. Tatsumi saw white, and so did Mayoi. She gripped her own cock after their hand disappeared, scrambling for something. The deep, clean cut started streaming blood, Tatsumi just watching it as he finally came, moaning like a wounded animal.
Mayoi finally produced first aid materials, Tatsumi panting as they cleaned every stinging fold, wrapping her thigh with pressure as they apologized over and over. They finally secured the bandages, looking up and widening their eyes at the scene. "...You finished?" Tatsumi caught his breath, the words taking a while to process. "Yes. Don...don't worry."
"I'll get you a wet washcloth, I'm sorry- just please lie down…" Their voice trailed off, unlocking the door to their room and running off. Tatsumi couldn't speak to the Lord looking like this, but everything was welling up. Her sticky hand was disgusting, but everything was still so enjoyable- he hoped it was for Mayoi as well. They trotted back in, throwing their gloves to the side before placing one of too many washcloths on Tatsumi's forehead, cooling everything that was burning inside her. Mayoi gently cleaned up around his groin, handing her the same cloth for her hand.
"...Was it okay?" Their voice was shaky, mind once again seated with everything wrong. "...I loved it." He dropped the soiled washcloth onto the floor, rolling onto his back. "I'm just worried about you." The pain and pleasure sucked every bit of energy out of her, finally opening her eyes as Mayoi's shadow shifted next to him. "I'm just happy that I could make you happy...I'm so sorry I hurt you-" She weakly shook her head. "...That was the point. Even if it got unsafe, you helped." He shut his eyes again. Mayoi leaned in and kissed her, quickly, before dragging a sheet over the two of them.
Tatsumi would have to repay Mayoi one way or another.